1. San Antonio Military Medical Center; San Antonio Texas
2. University of Nevada, Las Vegas; School of Dental Medicine, and University of California; Los Angeles
3. Massachusetts General Hospital; Boston
4. University of California; Los Angeles
5. Cleveland Clinic; Cleveland Ohio
6. Hospital for Special Surgery/Weill Cornell Medicine; New York New York
7. Arthritis Associates PA; San Antonio Texas
8. University of Nebraska Medical Center; Omaha
9. Boston Children's Hospital and Beth Israel Deaconess Medical Center; Boston Massachusetts
10. Northwestern University Feinberg School of Medicine; Chicago Illinois
11. Columbia University Medical Center; New York New York
12. Florida State University; Tallahassee
13. Nationwide Children's Hospital; Columbus Ohio
14. American College of Rheumatology; Atlanta Georgia
15. University of Michigan; Ann Arbor