1. Department of Psychiatry, Sleep Medicine Center, Nanfang Hospital, Southern Medical University , Guangzhou , China
2. Key Laboratory of Mental Health of the Ministry of Education, Southern Medical University , Guangzhou , China
3. Center for Sleep and Circadian Medicine, the Affiliated Brain Hospital of Guangzhou Medical University , Guangzhou , China
4. Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University , Guangzhou , China
5. School of Nursing, Southern Medical University , Guangzhou , China