[1] Univ Calif Los Angeles, Div Rheumatol, Dept Med, Los Angeles, CA USA
[2] Univ Manchester, Manchester, Lancs, England
[3] NIHR Manchester Biomed Res Ctr, Ctr Musculoskeletal Res, Fac Biol Med & Hlth, Manchester, Lancs, England
[4] Charite Univ Med Berlin, Dept Rheumatol & Clin Immunol, Berlin, Germany
[5] AbbVie, Immunol, N Chicago, IL USA
[6] Univ Alabama Birmingham, Div Clin Immunol & Rheumatol, Birmingham, AL USA