1. Department of Psychological Medicine, Zhongshan Hospital; Fudan University; Shanghai China
2. Shanghai Mental Health Center; Shanghai Jiaotong University; Shanghai China
3. Mental Health Institute; The Second Xiangya Hospital of Central South University; Changsha Hunan China
4. Department of Psychiatry; Tongji Hospital of Tongji University; Shanghai China
5. Department of Psychiatry and Behavioral Science; Duke University Medical Center; Durham USA
6. Department of Biostatistics; University of South Carolina; Columbia South Carolina USA