diff --git a/derivatives/labels/sub-amu01/anat/sub-amu01_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-amu01/anat/sub-amu01_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-amu01/anat/sub-amu01_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-amu01/anat/sub-amu01_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-amu01/anat/sub-amu01_T2w_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..a9082bb346b
--- /dev/null
+++ b/derivatives/labels/sub-amu01/anat/sub-amu01_T2w_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s30905--dd7c35eead8633437e22e322bd218a072c1df6a599c1acb7275fb03c894f8a69.nii.gz
diff --git a/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater1_label-rootlets_dseg.json b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater1_label-rootlets_dseg.json
new file mode 100644
index 00000000000..4e77e156498
--- /dev/null
+++ b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater1_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Theo Mathieu",
+            "Description": "Manually created label of dorsal rootlets C2-C8 used to assess the inter-rater variability and test the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/issues/17 and https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater1_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater1_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..f267f0c7f96
--- /dev/null
+++ b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater1_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s231653--b98667c95501ec8caa15dfd8af6ba341c93ebd6a78afe7de25c5c30cd6ce7e3b.nii.gz
diff --git a/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater2_label-rootlets_dseg.json b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater2_label-rootlets_dseg.json
new file mode 100644
index 00000000000..f0c2746ec36
--- /dev/null
+++ b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater2_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Raphaëlle Schlienger",
+            "Description": "Manually created label of dorsal rootlets C2-C8 used to assess the inter-rater variability and test the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/issues/17 and https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater2_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater2_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..4adaf2c2f2f
--- /dev/null
+++ b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater2_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s231689--1b18e0d5c2343d2b62668f0887de38c3d41a03be24cd1bc6d43e12feb6558b8d.nii.gz
diff --git a/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater3_label-rootlets_dseg.json b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater3_label-rootlets_dseg.json
new file mode 100644
index 00000000000..b596719c6a1
--- /dev/null
+++ b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater3_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valošek",
+            "Description": "Manually created label of dorsal rootlets C2-C8 used to assess the inter-rater variability and test the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/issues/17 and https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater3_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater3_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..b1877ac1dae
--- /dev/null
+++ b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater3_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s231042--0b21759520fb60292eb31838a62454690d0c145b3db0fdb69bed080a90f94734.nii.gz
diff --git a/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater4_label-rootlets_dseg.json b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater4_label-rootlets_dseg.json
new file mode 100644
index 00000000000..08bc1ca1f8c
--- /dev/null
+++ b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater4_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Olivia Kowalczyk",
+            "Description": "Manually created label of dorsal rootlets C2-C8 used to assess the inter-rater variability and test the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/issues/17 and https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater4_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater4_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..4334ac70aa6
--- /dev/null
+++ b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-rater4_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s232254--7556c30d50406d37e8888811117ac6ebe66b886f277b726dcd21437ad19cf4ac.nii.gz
diff --git a/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-staple_label-rootlets_dseg.json b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-staple_label-rootlets_dseg.json
new file mode 100644
index 00000000000..f5ad45d1820
--- /dev/null
+++ b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-staple_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "STAPLE",
+            "Description": "Reference ground truth label (created using the STAPLE algorithm) of dorsal rootlets C2-C8 used to test the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/issues/17 and https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-staple_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-staple_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..cd6559125f4
--- /dev/null
+++ b/derivatives/labels/sub-amu02/anat/sub-amu02_T2w_desc-staple_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s30359--09054cffdd545b4d10f3bfbeca5c8cbabe2574471246ad83a025b3c88ae8db88.nii.gz
diff --git a/derivatives/labels/sub-amu05/anat/sub-amu05_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-amu05/anat/sub-amu05_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-amu05/anat/sub-amu05_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-amu05/anat/sub-amu05_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-amu05/anat/sub-amu05_T2w_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..e8e70542994
--- /dev/null
+++ b/derivatives/labels/sub-amu05/anat/sub-amu05_T2w_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s30481--647412f2f51bf7d488a170aebde1ff151529b0bf68d90e015fcfed49cf4ebbee.nii.gz
diff --git a/derivatives/labels/sub-balgrist01/anat/sub-balgrist01_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-balgrist01/anat/sub-balgrist01_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-balgrist01/anat/sub-balgrist01_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-balgrist01/anat/sub-balgrist01_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-balgrist01/anat/sub-balgrist01_T2w_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..12767ff8f7a
--- /dev/null
+++ b/derivatives/labels/sub-balgrist01/anat/sub-balgrist01_T2w_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s31049--db34f7e26d13b6776f6762b1ffd42994b6876f87542209d6695949f68d09148e.nii.gz
diff --git a/derivatives/labels/sub-balgrist02/anat/sub-balgrist02_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-balgrist02/anat/sub-balgrist02_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-balgrist02/anat/sub-balgrist02_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-balgrist02/anat/sub-balgrist02_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-balgrist02/anat/sub-balgrist02_T2w_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..b437f584f81
--- /dev/null
+++ b/derivatives/labels/sub-balgrist02/anat/sub-balgrist02_T2w_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s31144--467d9c5b800b1b11f2a7e3536b6a560825a1a6287df78813a60aa1e1ec974655.nii.gz
diff --git a/derivatives/labels/sub-balgrist03/anat/sub-balgrist03_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-balgrist03/anat/sub-balgrist03_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-balgrist03/anat/sub-balgrist03_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-balgrist03/anat/sub-balgrist03_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-balgrist03/anat/sub-balgrist03_T2w_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..2d16da1b57e
--- /dev/null
+++ b/derivatives/labels/sub-balgrist03/anat/sub-balgrist03_T2w_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s30582--e68f01fde503a89af92e92bf3d7abf474a5456b1b97dbb12ccff188ef7852520.nii.gz
diff --git a/derivatives/labels/sub-balgrist04/anat/sub-balgrist04_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-balgrist04/anat/sub-balgrist04_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-balgrist04/anat/sub-balgrist04_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-balgrist04/anat/sub-balgrist04_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-balgrist04/anat/sub-balgrist04_T2w_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..23e97a8b92b
--- /dev/null
+++ b/derivatives/labels/sub-balgrist04/anat/sub-balgrist04_T2w_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s31417--6caaafbda397ecf0695c1a3be70b39463bf2d3a11eec7c24084931d64092a538.nii.gz
diff --git a/derivatives/labels/sub-balgrist06/anat/sub-balgrist06_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-balgrist06/anat/sub-balgrist06_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-balgrist06/anat/sub-balgrist06_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-balgrist06/anat/sub-balgrist06_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-balgrist06/anat/sub-balgrist06_T2w_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..e0028744412
--- /dev/null
+++ b/derivatives/labels/sub-balgrist06/anat/sub-balgrist06_T2w_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s30727--a50b1953a1537b18beb291360395d1bb883b004753e7725456cecc5e9e571ffc.nii.gz
diff --git a/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater1_label-rootlets_dseg.json b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater1_label-rootlets_dseg.json
new file mode 100644
index 00000000000..4e77e156498
--- /dev/null
+++ b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater1_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Theo Mathieu",
+            "Description": "Manually created label of dorsal rootlets C2-C8 used to assess the inter-rater variability and test the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/issues/17 and https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater1_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater1_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..38e09db8781
--- /dev/null
+++ b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater1_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s233953--0185e9268c24f4bb9d1df3e188e5b360f1f01af871351f0ed64d811f8d4526b9.nii.gz
diff --git a/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater2_label-rootlets_dseg.json b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater2_label-rootlets_dseg.json
new file mode 100644
index 00000000000..f0c2746ec36
--- /dev/null
+++ b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater2_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Raphaëlle Schlienger",
+            "Description": "Manually created label of dorsal rootlets C2-C8 used to assess the inter-rater variability and test the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/issues/17 and https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater2_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater2_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..597e3b6cb66
--- /dev/null
+++ b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater2_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s233353--df9e8b3a067d2f291b2eb9f029ba3d8d95df28a76a3438df3c16d575361bb3e0.nii.gz
diff --git a/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater3_label-rootlets_dseg.json b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater3_label-rootlets_dseg.json
new file mode 100644
index 00000000000..b596719c6a1
--- /dev/null
+++ b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater3_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valošek",
+            "Description": "Manually created label of dorsal rootlets C2-C8 used to assess the inter-rater variability and test the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/issues/17 and https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater3_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater3_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..cbad0be3b70
--- /dev/null
+++ b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater3_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s233966--079c08a9cb53d0ba7a6c26594d9d89f11ce5a85738d87cb5a15852275a1b002e.nii.gz
diff --git a/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater4_label-rootlets_dseg.json b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater4_label-rootlets_dseg.json
new file mode 100644
index 00000000000..08bc1ca1f8c
--- /dev/null
+++ b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater4_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Olivia Kowalczyk",
+            "Description": "Manually created label of dorsal rootlets C2-C8 used to assess the inter-rater variability and test the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/issues/17 and https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater4_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater4_label-rootlets_dseg.nii.gz
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index 00000000000..7157c931497
--- /dev/null
+++ b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-rater4_label-rootlets_dseg.nii.gz
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+/annex/objects/SHA256E-s235123--4855ba98adffc95d944223ad1d30550579dd8f737320ffb2b916d573104899bb.nii.gz
diff --git a/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-staple_label-rootlets_dseg.json b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-staple_label-rootlets_dseg.json
new file mode 100644
index 00000000000..f5ad45d1820
--- /dev/null
+++ b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-staple_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "STAPLE",
+            "Description": "Reference ground truth label (created using the STAPLE algorithm) of dorsal rootlets C2-C8 used to test the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/issues/17 and https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-staple_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-staple_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..ec754434460
--- /dev/null
+++ b/derivatives/labels/sub-barcelona01/anat/sub-barcelona01_T2w_desc-staple_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
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diff --git a/derivatives/labels/sub-barcelona02/anat/sub-barcelona02_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-barcelona02/anat/sub-barcelona02_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-barcelona02/anat/sub-barcelona02_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-barcelona02/anat/sub-barcelona02_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-barcelona02/anat/sub-barcelona02_T2w_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..3b572b7d09f
--- /dev/null
+++ b/derivatives/labels/sub-barcelona02/anat/sub-barcelona02_T2w_label-rootlets_dseg.nii.gz
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diff --git a/derivatives/labels/sub-barcelona03/anat/sub-barcelona03_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-barcelona03/anat/sub-barcelona03_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-barcelona03/anat/sub-barcelona03_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-barcelona03/anat/sub-barcelona03_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-barcelona03/anat/sub-barcelona03_T2w_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..224656766a5
--- /dev/null
+++ b/derivatives/labels/sub-barcelona03/anat/sub-barcelona03_T2w_label-rootlets_dseg.nii.gz
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diff --git a/derivatives/labels/sub-barcelona06/anat/sub-barcelona06_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-barcelona06/anat/sub-barcelona06_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-barcelona06/anat/sub-barcelona06_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-barcelona06/anat/sub-barcelona06_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-barcelona06/anat/sub-barcelona06_T2w_label-rootlets_dseg.nii.gz
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index 00000000000..be759f76a1d
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+++ b/derivatives/labels/sub-barcelona06/anat/sub-barcelona06_T2w_label-rootlets_dseg.nii.gz
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diff --git a/derivatives/labels/sub-brnoUhb01/anat/sub-brnoUhb01_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-brnoUhb01/anat/sub-brnoUhb01_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-brnoUhb01/anat/sub-brnoUhb01_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-brnoUhb01/anat/sub-brnoUhb01_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-brnoUhb01/anat/sub-brnoUhb01_T2w_label-rootlets_dseg.nii.gz
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index 00000000000..52cdd2a2c2e
--- /dev/null
+++ b/derivatives/labels/sub-brnoUhb01/anat/sub-brnoUhb01_T2w_label-rootlets_dseg.nii.gz
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diff --git a/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater1_label-rootlets_dseg.json b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater1_label-rootlets_dseg.json
new file mode 100644
index 00000000000..4e77e156498
--- /dev/null
+++ b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater1_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Theo Mathieu",
+            "Description": "Manually created label of dorsal rootlets C2-C8 used to assess the inter-rater variability and test the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/issues/17 and https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater1_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater1_label-rootlets_dseg.nii.gz
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index 00000000000..ea8b7bc675e
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+++ b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater1_label-rootlets_dseg.nii.gz
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diff --git a/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater2_label-rootlets_dseg.json b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater2_label-rootlets_dseg.json
new file mode 100644
index 00000000000..f0c2746ec36
--- /dev/null
+++ b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater2_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Raphaëlle Schlienger",
+            "Description": "Manually created label of dorsal rootlets C2-C8 used to assess the inter-rater variability and test the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/issues/17 and https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater2_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater2_label-rootlets_dseg.nii.gz
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index 00000000000..e12829ab239
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+++ b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater2_label-rootlets_dseg.nii.gz
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diff --git a/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater3_label-rootlets_dseg.json b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater3_label-rootlets_dseg.json
new file mode 100644
index 00000000000..b596719c6a1
--- /dev/null
+++ b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater3_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valošek",
+            "Description": "Manually created label of dorsal rootlets C2-C8 used to assess the inter-rater variability and test the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/issues/17 and https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater3_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater3_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..2d838128af9
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+++ b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater3_label-rootlets_dseg.nii.gz
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diff --git a/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater4_label-rootlets_dseg.json b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater4_label-rootlets_dseg.json
new file mode 100644
index 00000000000..08bc1ca1f8c
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+++ b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater4_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Olivia Kowalczyk",
+            "Description": "Manually created label of dorsal rootlets C2-C8 used to assess the inter-rater variability and test the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/issues/17 and https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater4_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater4_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..b05e21763f4
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+++ b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-rater4_label-rootlets_dseg.nii.gz
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diff --git a/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-staple_label-rootlets_dseg.json b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-staple_label-rootlets_dseg.json
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index 00000000000..f5ad45d1820
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+++ b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-staple_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "STAPLE",
+            "Description": "Reference ground truth label (created using the STAPLE algorithm) of dorsal rootlets C2-C8 used to test the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/issues/17 and https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-staple_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-staple_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..c94909c6fd2
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+++ b/derivatives/labels/sub-brnoUhb03/anat/sub-brnoUhb03_T2w_desc-staple_label-rootlets_dseg.nii.gz
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diff --git a/derivatives/labels/sub-cardiff02/anat/sub-cardiff02_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-cardiff02/anat/sub-cardiff02_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-cardiff02/anat/sub-cardiff02_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-cardiff02/anat/sub-cardiff02_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-cardiff02/anat/sub-cardiff02_T2w_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..d38dccf6d0b
--- /dev/null
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diff --git a/derivatives/labels/sub-cardiff04/anat/sub-cardiff04_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-cardiff04/anat/sub-cardiff04_T2w_label-rootlets_dseg.json
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index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-cardiff04/anat/sub-cardiff04_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-cardiff04/anat/sub-cardiff04_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-cardiff04/anat/sub-cardiff04_T2w_label-rootlets_dseg.nii.gz
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index 00000000000..6398f8ff546
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+++ b/derivatives/labels/sub-cardiff04/anat/sub-cardiff04_T2w_label-rootlets_dseg.nii.gz
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diff --git a/derivatives/labels/sub-cmrra02/anat/sub-cmrra02_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-cmrra02/anat/sub-cmrra02_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-cmrra02/anat/sub-cmrra02_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-cmrra02/anat/sub-cmrra02_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-cmrra02/anat/sub-cmrra02_T2w_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..3245a1b5531
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+/annex/objects/SHA256E-s31702--195504911971d1f09e40036ed7ab9bbd3f91967740a85987b7b170c089d00f10.nii.gz
diff --git a/derivatives/labels/sub-cmrra04/anat/sub-cmrra04_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-cmrra04/anat/sub-cmrra04_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-cmrra04/anat/sub-cmrra04_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-cmrra04/anat/sub-cmrra04_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-cmrra04/anat/sub-cmrra04_T2w_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..d1c0620972d
--- /dev/null
+++ b/derivatives/labels/sub-cmrra04/anat/sub-cmrra04_T2w_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s30561--79f5381d39e31ee631ca0e88db6055eaadb6a7fc5c2194cc73b436b94eb5c93e.nii.gz
diff --git a/derivatives/labels/sub-geneva01/anat/sub-geneva01_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-geneva01/anat/sub-geneva01_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-geneva01/anat/sub-geneva01_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-geneva01/anat/sub-geneva01_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-geneva01/anat/sub-geneva01_T2w_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..3c6a8c63db7
--- /dev/null
+++ b/derivatives/labels/sub-geneva01/anat/sub-geneva01_T2w_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s31367--c3e2ba9240c97a944510d3ad991eef6d7a4206198f7bf96bbf8b4ad61b1e7cfe.nii.gz
diff --git a/derivatives/labels/sub-mgh01/anat/sub-mgh01_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-mgh01/anat/sub-mgh01_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-mgh01/anat/sub-mgh01_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-mgh01/anat/sub-mgh01_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-mgh01/anat/sub-mgh01_T2w_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..ed94783d40c
--- /dev/null
+++ b/derivatives/labels/sub-mgh01/anat/sub-mgh01_T2w_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s31551--c22c707550df4630b676473a1129e70b04a92f12dc730d8fe66747ceef2b60bc.nii.gz
diff --git a/derivatives/labels/sub-mgh02/anat/sub-mgh02_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-mgh02/anat/sub-mgh02_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-mgh02/anat/sub-mgh02_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-mgh02/anat/sub-mgh02_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-mgh02/anat/sub-mgh02_T2w_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..41071405d33
--- /dev/null
+++ b/derivatives/labels/sub-mgh02/anat/sub-mgh02_T2w_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s30612--a7505dfa0fefed66c38d13b0ce2eaf00ae6836987269358d1e3ad4cf06f0de2b.nii.gz
diff --git a/derivatives/labels/sub-stanford02/anat/sub-stanford02_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-stanford02/anat/sub-stanford02_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-stanford02/anat/sub-stanford02_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-stanford02/anat/sub-stanford02_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-stanford02/anat/sub-stanford02_T2w_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..fb493ae99ad
--- /dev/null
+++ b/derivatives/labels/sub-stanford02/anat/sub-stanford02_T2w_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s27428--4a7b14ceef02d71cee8ef5c7ddcdfa3b332ed3250719448748fd363994d98e30.nii.gz
diff --git a/derivatives/labels/sub-stanford05/anat/sub-stanford05_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-stanford05/anat/sub-stanford05_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-stanford05/anat/sub-stanford05_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-stanford05/anat/sub-stanford05_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-stanford05/anat/sub-stanford05_T2w_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..f98215d3424
--- /dev/null
+++ b/derivatives/labels/sub-stanford05/anat/sub-stanford05_T2w_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
+/annex/objects/SHA256E-s28071--483ec97c2f2cc67ced063f2091df32f439f7f2fd6d9e6820a396774671178d80.nii.gz
diff --git a/derivatives/labels/sub-ucdavis03/anat/sub-ucdavis03_T2w_label-rootlets_dseg.json b/derivatives/labels/sub-ucdavis03/anat/sub-ucdavis03_T2w_label-rootlets_dseg.json
new file mode 100644
index 00000000000..5c86ce64e96
--- /dev/null
+++ b/derivatives/labels/sub-ucdavis03/anat/sub-ucdavis03_T2w_label-rootlets_dseg.json
@@ -0,0 +1,11 @@
+{
+    "SpatialReference": "orig",
+    "GeneratedBy": [
+        {
+            "Name": "Manual",
+            "Author": "Jan Valosek, Theo Mathieu",
+            "Description": "Manually corrected ground truth labels of dorsal rootlets C2-C8 used to train the model M5; details: https://github.com/ivadomed/model-spinal-rootlets/pull/23#issuecomment-1836305457",
+            "Date": "2023-12-01"
+        }
+    ]
+}
diff --git a/derivatives/labels/sub-ucdavis03/anat/sub-ucdavis03_T2w_label-rootlets_dseg.nii.gz b/derivatives/labels/sub-ucdavis03/anat/sub-ucdavis03_T2w_label-rootlets_dseg.nii.gz
new file mode 100644
index 00000000000..13290987882
--- /dev/null
+++ b/derivatives/labels/sub-ucdavis03/anat/sub-ucdavis03_T2w_label-rootlets_dseg.nii.gz
@@ -0,0 +1 @@
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