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Each collection can have separate metadata edit permissions. These permissions govern who can change metadata and who can add files or sub-collectionssubcollections. You can manage these permissions by specifying one or more user groups for each collection. 

By default, sub-collections subcollections inherit the edit permissions of their parent collections. For example, users who users who have edit permissions for a program can edit any metadata in that program, its studies, or their datasets. Users who have permissions to a edit a study can edit any metadata in that study or its datasets. A sub-collection cannot be more public than its parent collection.