1. Loma Linda University Loma Linda California
2. University of Nebraska Medical Center Omaha
3. Boston University Medical Center Boston Massachusetts
4. Massachusetts General Hospital and Harvard Medical School Boston Massachusetts
5. San Antonio Uniformed Services San Antonio Texas
6. New York University New York New York
7. John Muir Health Walnut Creek California
8. University of Florida‐Jacksonville
9. Arthritis, Rheumatic and Back Disease Associates Voorhees New Jersey
10. Georgetown University School of Medicine Washington DC