[1] Univ Washington, Med, Internal Med Residency, Seattle, WA USA
[2] Univ Washington, Ctr Musculoskeletal Disorders, Clin Learning Evidence & Res CLEAR, Radiol, Seattle, WA USA
[3] Univ Michigan, Med Rheumatol, Ann Arbor, MI USA
[4] CHU Nimes Univ Montpellier, Med, Nimes, France
[5] Univ Washington, Med Rheumatol, Seattle, WA USA
[6] Univ Texas SouthWestern, Med Rheumatol, Dallas, TX USA
[7] Univ Washington, Ctr Musculoskeletal Disorders, Clin Learning Evidence & Res CLEAR, Rehabil Med, Seattle, WA USA
[8] Univ Washington, Radiol, Hlth Serv Res Ctr, Seattle, WA USA
[9] Brigham & Womens Hosp, Med Rheumatol, Boston, MA USA
[10] Univ Calif San Diego, Med Gastroenterol, La Jolla, CA USA