1. University of South Florida Tampa Florida United States
2. The State University of New York at Buffalo New York United States
3. St. Mary’s Hospital St. Louis Missouri United States
4. Vanderbilt University Medical Center Nashville Tennessee United States
5. Northwestern University Feinberg School of Medicine Chicago Illinois United States
6. University of Utah Health Salt Lake City United States
7. American College of Rheumatology Atlanta Georgia United States
8. Cleveland Clinic Cleveland Ohio United States
9. Mayo Clinic Jacksonville Florida United States
10. University of Kansas Medical Center Kansas City United States
11. University of CaliforniaSan Francisco Medical Center California United States
12. Department of Health Research Methods, Evidence and ImpactMcMaster University Hamilton Canada