[1] Griffith Univ, Sch Med, Brisbane, Qld, Australia
[2] Rheumatol Res Unit, Sunshine Coast, Qld, Australia
[3] Univ Queensland, Dept Med, Brisbane, Qld, Australia
[4] Concord Repatriat Gen Hosp, Sydney, NSW, Australia
[5] St Vincents Private Hosp, Melbourne, Vic, Australia
[6] Univ New South Wales, Sch Clin Med, Sydney, NSW, Australia
[7] Cabrini Hosp, Melbourne Rheumatol, Melbourne, Vic, Australia
[8] Monash Univ, Monash, Vic, Australia