1. Department of Orthopaedics and Traumatology, Prince of Wales Hospital, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
2. The Hong Kong Jockey Club Sports Medicine and Health Sciences Centre, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
3. Oslo Sports Trauma Research Center, Norwegian School of Sport Sciences, Oslo, Norway
4. Faculty of Medicine, University of Oslo, Oslo, Norway
5. Department of Orthopaedics and Traumatology, Alice Ho Miu Ling Nethersole Hospital, Hong Kong, China