For all members of the the CBU, please add their username to CbuGroup
For members of the CBU who want to edit imaging pages, also add their username to the GoodGroup page.
For all Cambridge users, please add their username to CambridgeGroup.
For Cambridge imagers who want to edit, also add them to CambridgeGoodGroup.
If external (non-Cambridge) people want to edit, add them to FairlyGoodGroup.