1. Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, Hong Kong SAR, China.
2. Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong SAR, China.
3. Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China.
4. Stem Cells and Regenerative Medicine Laboratory, Lui Che Woo Institute of Innovative Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong SAR, China.
5. SH Ho Scoliosis Research Laboratory, Joint Scoliosis Research Centre of the Chinese University of Hong Kong and Nanjing University, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China.
6. Centre for Robotics and Automation, City University of Hong Kong Shenzhen Research Institute, Shenzhen 518057, China.