V5.0.4

• Fixed multiple UI issues on catalog admin page
• Updated API and API documentation
• Added JSON-LD to study information pages
• Added import and display of variable groups
• Added support for complex IDNO - issue #10
• Fixed issues with DDI batch refresh - issue #6
• Fixed citations tab display
• Fixed catalog page navigation issues for collections - issue #14
• Fixed title does not include the study subtitle

To upgrade from any previous versions of NADA 5, please follow these steps:

1. Backup the folders application and themes.
2. Download and unzip the latest source code on your computer and remove the user configuration files to make sure, your settings are not overwritten:

• application/config/config.php
• application/config/template.php

3. Upload files to your server to replace existing files
4. To update the database run the following SQL:

CREATE TABLE `variable_groups` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `sid` int(11) DEFAULT NULL,
  `vgid` varchar(45) DEFAULT NULL,
  `variables` varchar(5000) DEFAULT NULL,
  `variable_groups` varchar(500) DEFAULT NULL,
  `group_type` varchar(45) DEFAULT NULL,
  `label` varchar(255) DEFAULT NULL,
  `universe` varchar(255) DEFAULT NULL,
  `notes` varchar(500) DEFAULT NULL,
  `txt` varchar(500) DEFAULT NULL,
  `definition` varchar(500) DEFAULT NULL,
  PRIMARY KEY (`id`)
) AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;



ALTER TABLE `users` ADD `otp_code` varchar(45) DEFAULT NULL;
ALTER TABLE `users` ADD `otp_expiry` int(11) DEFAULT NULL;

5. Done