[1] Univ Sydney, Inst Bone & Joint Res, Sydney, NSW, Australia
[2] Univ Melbourne, Ctr Hlth Exercise & Sports Med, Melbourne, Australia
[3] Univ Melbourne, Dept Gen Practice, Melbourne, Vic, Australia
[4] Curtin Univ, Sch Physiotherapy & Exercise Sci, Perth, WA, Australia
[5] Medibank, Melbourne, Australia
[6] Monash Univ, Sch Publ Hlth & Prevent Med, Melbourne, Vic, Australia
[7] Macquarie Univ, Dept Chiropract, Sydney, NSW, Australia
[8] Macquarie Univ, Fac Business & Econ, Dept Econ, Sydney, NSW, Australia
[9] UNSW Australia, Sch Publ Hlth & Community Med, Sydney, NSW, Australia
[10] Royal North Shore Hosp, Dept Rheumatol, Sydney, NSW, Australia