[1] Monash Univ, Dept Epidemiol & Prevent Med, Melbourne, Vic 3004, Australia
[2] Alfred, Dept Physiotherapy, Commercial Rd, Prahran, Vic 3181, Australia
[3] La Trobe Univ, Sch Allied Hlth, Bundoora, Vic 3086, Australia
[4] Alfred, Dept Orthopaed, Commercial Rd, Prahran, Vic 3181, Australia
[5] Barwon Hlth, Dept Orthopaed, Geelong, Vic 3220, Australia
[6] St John God, Geelong, Vic 3220, Australia
[7] Deakin Univ, Sch Med, Geelong, Vic 3220, Australia
[8] Royal Melbourne Hosp, Dept Orthopaed, Melbourne, Vic 3050, Australia
[9] Univ Melbourne, Dept Surg, Melbourne, Vic 3050, Australia
[10] Northern Hosp, Dept Orthopaed, Epping, Vic 3076, Australia