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1. Log in, as described in Logging In. 
2. Perform a search, as described in Finding Data. In the search results, each entry lists the relevant collections (program, study, and dataset). An edit icon appears next to each of your collections.
3. Click the edit icon next to the collection of interest. The User Metadata page appears.
4. Click Edit Permissions. 
5. In the Metadata Permissions field, select one or more groups from the list. (If the Metadata Permissions field is empty, only the person who created the collection can edit the metadata.)
6. Click Update.

This change takes effect in one hour.