1. Department of Orthopaedics and Traumatology, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China.
2. Hong Kong Jockey Club Sports Medicine and Health Sciences Centre, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China.
3. Program of Stem Cell and Regeneration, School of Biomedical Science, Chinese University of Hong Kong, Hong Kong SAR, China.