1. Department of Health Behavior and Social Medicine, West China School of Public Health and West China Fourth Hospital, Research Center for Palliative Care, West China‐PUMC C.C. Chen Institute of Health Sichuan University Chengdu People's Republic of China
2. Tibet Center for Disease Control and Prevention Lhasa Tibet People's Republic of China
3. Department of Palliative Care, West China School of Public Health and West China Fourth Hospital, Research Center for Palliative Care, West China‐PUMC C.C. Chen Institute of Health Sichuan University Chengdu People's Republic of China
4. Nosocomial Infection Management Department, West China School of Public Health and West China Fourth Hospital Sichuan University Chengdu Sichuan People's Republic of China
5. Department of Sociology and Psychology, School of Public Administration Sichuan University Chengdu China
6. Mental Health Center West China Hospital of Sichuan University Chengdu People's Republic of China