1. Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR
2. Sleep Medicine Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
3. Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR
4. Department of Psychology, The University of Hong Kong, Pokfulam, Hong Kong SAR
5. School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR