1. Department of Rehabilitation Sciences; The Hong Kong Polytechnic University; Hong Kong Special Administrative Region; Hong Kong China
2. Department of Endocrinology; First Affiliated Hospital of Xi'an Jiaotong University College of Medicine; Xi'an China
3. Department of Surgery; Division of Plastic; Reconstructive and Aesthetic Surgery; The Chinese University of Hong Kong; Prince of Wales Hospital; Hong Kong Special Administrative Region; Hong Kong China