Collaborators on MedEd Collaborative publications are PubMed-citable. You can list all papers that you were listed as a collaborator on under your publications on your curriculum vitae. For non-protocol papers this will be under a single corporate authorship (e.g. “MedEd Collaborative”).
For example: MedEd Collaborative (Bloggs J, [insert role]). Re-opening universities might be high risk, but it is essential for medical students. BMJ 2020;371:m3851.