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There would be backwards-incompatible consequences to this refactor. The /v3/participants APIs could no longer be used to create and manage administrative accounts. I don’t know who uses these for that purpose, at least the Bridge Study Manage would need to revise the UI it has to list all admins/users in one giant list (currently under the legacy panel). That API is still useful, but it would only return true participant accounts.
Expanded permissions model
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