1. Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong SAR, China
2. Allied Health Department (Physiotherapy), Hong Kong Children’s Hospital, Hong Kong SAR, China
3. Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong SAR, China
4. Department of Biomedical Surgical and Dental Sciences, University “La Statale”, 20122 Milan, Italy
5. IRCCS Istituto Ortopedico Galeazzi, 20161 Milan, Italy
6. Department of Physical Therapy, University of Alberta, Edmonton, AB T6G 2G4, Canada