1. Dementia Care and Research Center, Clinical Research Division, Peking University Institute of Mental Health, Sixth Hospital, Haidian District, Beijing, China
2. Beijing Dementia Key Lab, National Clinical Research Center for Mental Disorders, Key Laboratory of Mental Health, Ministry of Health, Peking University, Beijing, China
3. The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, China
4. Department of Psychiatry, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China