1. Peking University Health Sciences Center, Institute of Mental Health, Beijing, China
2. Department of Human Genetics, Emory University School of Medicine, Atlanta, Georgia, USA
3. Centers for Disease Prevention and Control, Atlanta, Georgia, USA
4. Bloomberg School of Public Health, John Hopkins University, Baltimore, Maryland, USA
5. Department of Human Genetics, and Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, Georgia, USA