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You can add/manage your identifiers under Menu/Publications/Automatic claiming.
NOTE: If two ORCHIDs ORCiD IDs are associated with the same person, you don't need to merge them for Elements' purposes. If a user says 'yes' to multiple IDs from the same source (eg. 2 Scopus or ORCID ORCiD IDs) Elements will store and use both of them.
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