1. Li Chiu Kong Family Sleep Assessment Unit, Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong Special Administrative Region
2. Department of Psychology, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region
3. The State Key Laboratory of Brain and Cognitive Sciences, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region
4. Guangdong Mental Health Center, Guangdong Provincial People’s Hospital, Guangdong, China