[1] Royal Prince Alfred Hosp, Inst Rheumatol & Orthopaed, Sydney, NSW, Australia
[2] Univ Sydney, Sch Med, Fac Med & Hlth, Sydney, NSW, Australia
[3] NHMRC Ctr Res Excellence Pulm Fibrosis, Camperdown, NSW, Australia
[4] Royal Prince Alfred Hosp, Dept Resp, Sydney, NSW, Australia
[5] St Vincents Hosp, Dept Rheumatol, Melbourne, Vic, Australia
[6] Royal Adelaide Hosp, Rheumatol Unit, Adelaide, SA, Australia
[7] Univ Adelaide, Discipline Med, Adelaide, SA, Australia
[8] Univ Melbourne, St Vincents Hosp, Dept Med, Melbourne, Vic, Australia
[9] Monash Hlth, Dept Inflammatory Dis, Melbourne, Vic, Australia
[10] Monash Univ, Cent Clin Sch, Dept Med, Melbourne, Vic, Australia