1. The JC School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong
2. Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong; The Hong Kong College of Orthopaedic Surgeons, Hong Kong
3. Department of Orthopaedics and Traumatology, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong