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- Click Projects in the main menu
- Click on the project name
- Select the Intervals tab in the left panel
- Click the Add icon to add a new interval
- Enter a baseline interval
- Enter a follow-up interval
- Enter a screening interval
- Enter a non-fixed intervalClick on the name of an existing interval to edit the interval
- Click on the spy glass icon to see the interval's usages
- Click on the red delete icon to delete the interval
Info Intervals with a gray delete icon are in use and cannot be deleted, however, the interval can be made inactive