1. Northwestern Medicine Chicago Illinois United States
2. Yale School of Medicine New Haven Connecticut United States
3. The Hospital for Sick Children Toronto Ontario Canada
4. Washington University School of Medicine Saint Louis Missouri United States
5. Hospital for Special Surgery New York New York United States
6. Sorbonne Université INSERM CRSA AP‐HP Hôpital Saint Antoine Paris France
7. University of Alabama at Birmingham
8. University Medical Center Göttingen Göttingen Germany
9. Mayo Clinic Rochester Minnesota United States
10. Brigham and Women’s Hospital and Harvard Medical School Boston Massachusetts United States
11. University of Oxford Oxford UK
12. •• Berkeley California United States
13. •• New York New York United States
14. Lewis Katz School of Medicine Temple University Philadelphia Pennsylvania United States
15. Toronto Western Hospital Mount Sinai Hospital, and University of Toronto Toronto Ontario Canada
16. George Washington University School of Medicine and Health Sciences Washington DC United States
17. University of Washington Seattle
18. University of Otago Wellington New Zealand
19. Massachusetts General Hospital and Harvard Medical School Boston Massachusetts United States