[1] Diakonhjemmet Hosp, Oslo, Norway
[2] NYU Hosp Joint Dis, New York, NY USA
[3] Corrona Inc, Worcester, MA USA
[4] Corrona Inc, Southborough, MA USA
[5] Univ Alabama Birmingham, Birmingham, AL USA
[6] UMass Med Sch, Worcester, MA USA
[7] Univ Maryland, Sch Med, Baltimore, MD 21201 USA
[8] Columbia Univ Coll Phys & Surg, New York, NY 10032 USA
[9] Albany Med Coll, Albany, NY 12208 USA
[10] Ctr Rheumatol, Albany, NY USA
[11] Brigham & Womens Hosp, Boston, MA 02115 USA