1. Xiangya School of Public Health, Central South University, Changsha, Hunan, China
2. Research Center for Public Health and Social Security, School of Public Administration, Hunan University, Changsha, Hunan, China
3. National Clinical Research Center for Mental Disorders and Department of Psychiatry, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
4. Xiangya School of Nursing, Central South University, Changsha, China