[1] Cabrini Inst, Monash Dept Clin Epidemiol, Malvern, Vic, Australia
[2] Monash Univ, Sch Publ Hlth & Prevent Med, Dept Epidemiol & Prevent Med, Melbourne, Vic, Australia
[3] Curtin Univ, Sch Physiotherapy & Exercise Sci, Perth, WA, Australia
[4] Musculoskeletal Australia, Melbourne, Vic, Australia
[5] Univ Melbourne, Australian Inst Musculoskeletal Sci AIMSS, St Albans, Vic, Australia
[6] Western Hlth, St Albans, Vic, Australia
[7] Univ Melbourne, Melbourne Med Sch, Dept Med, Western Hlth, Melbourne, Vic, Australia
[8] Univ New South Wales, South Western Sydney Clin Sch, Sydney, NSW, Australia
[9] Univ Adelaide, Div Med, Adelaide, SA, Australia
[10] Queen Elizabeth Hosp, Dept Rheumatol Unit, Woodville, SA, Australia
[11] Royal Adelaide Hosp, Dept Rheumatol Unit, North Terrace, Adelaide, SA, Australia
[12] Univ Sydney, Fac Hlth Sci, Sydney, NSW, Australia
[13] Univ Sydney, Sch Publ Hlth, Ctr Pain Hlth & Lifestyle, Sydney, NSW, Australia
[14] Univ Sydney, Sydney Sch Publ Hlth, Sydney, NSW, Australia
[15] Ingham Inst Appl Med Res, Whitlam Orthopaed Res Ctr, Sydney, NSW, Australia
[16] Univ New South Wales, Sydney, NSW, Australia
[17] Canberra Hosp, Trauma & Orthopaed Res Unit, Woden, ACT, Australia
[18] Australian Natl Univ, Med Sch, Coll Med Biol & Environm, Canberra, ACT, Australia
[19] Royal Prince Alfred Hosp, Rheumatol Dept, Camperdown, NSW, Australia
[20] Sydney Local Hlth Dist, Inst Musculoskeletal Hlth, Sydney, NSW, Australia
[21] Royal Adelaide Hosp, Dept Orthopaed & Trauma, Adelaide, SA, Australia
[22] Univ Otago, Dept Med, Wellington, New Zealand