[1] Univ Hong Kong, Queen Mary Hosp, Dept Med, Hong Kong, Peoples R China
[2] Hosp Kuala Lumpur, Inst Orthopaed & Traumatol, Kuala Lumpur, Malaysia
[3] Chinese Univ Hong Kong, Sha Tin 100083, Hong Kong, Peoples R China
[4] Singapore Gen Hosp, Dept Orthopaed Surg, Singapore 0316, Singapore
[5] Changi Gen Hosp, Singapore, Singapore
[6] Royal Thai Army, Pramongkutklao Hosp, Dept Obstet & Gynecol, Bangkok, Thailand
[7] Eli Lilly Australia Pty Ltd, Clin Outcomes & Res Inst, W Ryde, Australia
[8] Eli Lilly & Co, Sydney, NSW, Australia