1. University of California, Los Angeles and VA Greater Los Angeles Health Care System Los Angeles California
2. University of Auckland Auckland New Zealand
3. University of Nebraska Medical Center and VA Nebraska–Western Iowa Health Care System Omaha Nebraska
4. McMaster University Hamilton Ontario Canada
5. New York University School of Medicine New York City New York
6. Johns Hopkins University Baltimore Maryland
7. University of Massachusetts Medical SchoolWorcester Massachusetts, and Corrona Waltham Massachusetts
8. University of Michigan Ann Arbor
9. North Mississippi Medical Center Tupelo
10. Kaiser Permanente Downey California
11. Boston University School of Medicine Boston Massachusetts
12. VA Boston Healthcare System Boston Massachusetts
13. Medical College of Wisconsin Milwaukee
14. University of Alabama at Birmingham and Birmingham Veterans Affairs Medical Center Birmingham
15. Atlanta Georgia
16. Florida State University College of Medicine School of Physician Assistant Practice Tallahassee
17. University of California Los Angeles
18. Yale University New Haven Connecticut
19. University of MichiganVA Ann Arbor Healthcare System Ann Arbor
20. Brigham and Women’s HospitalHarvard Medical School Boston Massachusetts
21. University of Kentucky Lexington
22. US Department of Veterans Affairs Manchester New Hampshire
23. Mount Auburn Hospital Cambridge Massachusetts
24. Allegheny Health Network Pittsburgh Pennsylvania
25. American College of Rheumatology Atlanta Georgia