[1] Univ Tasmania, Menizes Res Inst, Hobart, Tas, Australia
[2] Southern Med Univ, Dept Orthopaed, Affiliated Hosp 3, Guangzhou, Guangdong, Peoples R China
[3] Univ Tradit Chinese Med, Res Inst Orthopaed, Shuguang Hosp Affiliated, Shanghai, Peoples R China
[4] Royal Hobart Hosp, Dept Radiol, Hobart, Tas, Australia
[5] Monash Univ, Dept Epidemiol & Prevent Med, Melbourne, Vic 3004, Australia