[1] Univ West England, Fac Hlth & Appl Sci, Bristol, Avon, England
[2] Univ Birmingham, Inst Inflammat & Ageing, Rheumatol Res Grp, Birmingham, W Midlands, England
[3] Univ Leeds, Leeds Inst Rheumat & Musculoskeletal Med, Leeds, W Yorkshire, England
[4] Univ Ottawa, Fac Med, Dept Med, Ottawa, ON, Canada
[5] Univ Ottawa, Fac Med, Sch Epidemiol & Publ Hlth, Ottawa, ON, Canada
[6] Ottawa Hosp Res Inst, Clin Epidemiol Program, Ottawa, ON, Canada
[7] Royal Adelaide Hosp, Rheumatol Unit, Adelaide, SA, Australia
[8] Monash Univ, Sch Publ Hlth & Prevent Med, Melbourne, Vic, Australia
[9] Univ Sydney, Royal North Shore Hosp, Rheumatol Dept, Sydney, NSW, Australia
[10] Univ Sydney, Sydney Med Sch, Sydney, NSW, Australia
[11] Univ Melbourne, Dept Biomed Engn, Melbourne, Vic, Australia
[12] Univ Ottawa, Fac Med, Dept Med, Div Rheumatol, Ottawa, ON, Canada
[13] Univ Sydney, Royal Prince Alfred Hosp, Dept Rheumatol, Sydney, NSW, Australia