1. Department of Psychiatry, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang 310014, P.R. China
2. Psychiatry and Mental Health, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
3. Psychiatry and Mental Health, Bengbu Medical College, Bengbu, Anhui 233030, P.R. China