1. Washington University School of Medicine St. Louis Missouri
2. Hospital for Special Surgery and Weill Cornell Medicine New York New York
3. Rothman Orthopaedic Institute Philadelphia Pennsylvania
4. University of Pittsburgh Medical Center Pittsburgh Pennsylvania
5. McMaster University Hamilton Ontario Canada
6. NYU Langone Health New York New York
7. University of Pennsylvania Philadelphia
8. Cypress Texas
9. Mayo Clinic Rochester Minnesota
10. Sterling Virginia
11. Feinberg School of Medicine of Northwestern University Chicago Illinois
12. OrthoVirginia Richmond Virginia
13. University of Arizona College of Medicine Tucson
14. University of Colorado Anschutz Medical Campus Aurora
15. Sinai Health, University of Toronto Toronto Ontario Canada
16. LSU Health New Orleans Louisiana
17. University of Toronto Toronto Ontario Canada
18. The Ohio State Wexner Medical Center Columbus Ohio
19. Maine Medical Partners Portland
20. ECRI Institute, Plymouth Meeting Pennsylvania
21. American College of Rheumatology Atlanta Georgia
22. VA Puget Sound Health Care System and University of Washington School of Medicine Seattle
23. Schroeder Arthritis Institute, Toronto Western Hospital University of Toronto Toronto Ontario Canada
24. University of Alabama at Birmingham and Veterans Affairs Medical Center Birmingham Alabama