1. University of Alabama at Birmingham
2. Toronto Western Hospital Mount Sinai Hospital, and University of Toronto Toronto Ontario Canada
3. Louis Stokes Cleveland VA Medical Center MetroHealth Medical Center, and Case Western Reserve University Cleveland Ohio
4. VA North Texas Health Care System and University of Texas Southwestern Medical Center Dallas
5. Brigham and Women's Hospital Boston Massachusetts
6. Hospital for Special Surgery and Weill Cornell Medicine New York New York
7. Cleveland Clinic Cleveland Ohio
8. Harpaz Herman Consultants Atlanta Georgia
9. CDC Atlanta Georgia
10. Duke University Durham North Carolina
11. American College of Rheumatology Atlanta Georgia
12. The Permanente Medical Group Union City California
13. University of Nebraska Medical Center and VA Nebraska–Western, Iowa Health Care System Omaha