1. Department of Orthopaedics and Traumatology; Faculty of Medicine; The Chinese University of Hong Kong; Prince of Wales Hospital; Shatin, New Territories Hong Kong SAR China
2. Lui Che Woo Institute of Innovative Medicine; Faculty of Medicine; The Chinese University of Hong Kong; Hong Kong SAR China
3. Department of Orthopaedic Surgery; Huddinge University Hospital, CLINTEC, Karolinska Institutet; Stockholm Sweden