[1] Univ Nebraska Med Ctr, Omaha, NE 68198 USA
[2] VA Nebraska Western Iowa Hlth Care Syst, Omaha, NE 68198 USA
[3] Florida State Univ, Tallahassee, FL USA
[4] Tufts Univ, Boston, MA USA
[5] VA Portland Hlth Care Syst, Portland, OR USA
[6] Oregon Hlth & Sci Univ, Portland, OR USA
[7] Arcadia Univ, Glenside, PA USA
[8] McMaster Univ, Hamilton, ON, Canada
[9] Univ Rochester, Med Ctr, Rochester, NY USA
[10] Hosp Special Surg, New York, NY USA
[11] Univ Michigan Hosp & Hlth Syst, Ann Arbor, MI USA
[12] Amer Phys Therapy Assoc, Alexandria, VA USA
[13] Stony Brook Renaissance Sch Med, Dept Family, Populat, Prevent Med, Stony Brook, NY USA
[14] Univ Buffalo, Buffalo, NY USA
[15] Yale Sch Med, New Haven, CT USA
[16] Univ Virginia, Charlottesville, VA USA
[17] Univ Florida, Gainesville, FL USA
[18] Univ Colorado, Anschutz Med Campus, Aurora, CO USA
[19] Weill Cornell Med, New York, NY USA
[20] UCSF Osher Ctr Integrat Med, San Francisco, CA USA
[21] Stanford Hlth Care, Palo Alto, CA USA
[22] Univ Washington, Seattle, WA USA
[23] Univ Delaware, Newark, DE 19716 USA
[24] MGH Inst Hlth Profess, Boston, MA USA
[25] Ctr Dis Control & Prevent, Atlanta, GA USA
[26] NYU Langone Hlth, New York, NY USA
[27] Univ N Carolina, Chapel Hill, NC USA
[28] Univ British Columbia, Vancouver, BC, Canada
[29] Arthrit Res Canada, Vancouver, BC, Canada
[30] Vanderbilt Univ, VICTR, Med Ctr, Nashville, TN USA
[31] Marquette Univ, Milwaukee, WI USA
[32] Univ New Mexico, Albuquerque, NM 87131 USA
[33] Husson Univ, Bangor, ME USA
[34] ECRI Inst, Plymouth Meeting, PA USA
[35] Univ Calif San Diego, San Diego, CA USA
[36] Amer Coll Rheumatol, 60 Execut Pk S,Suite 150, Atlanta, GA 30329 USA
[37] Univ Wisconsin, River Falls, WI USA