1. Center of Medical Genomics, School of Public Health; Jilin University; Changchun; China
2. School of Basic Medicine; Jilin University; Changchun; China
3. Department of Psychiatry; Yale University School of Medicine; New Haven; CT; USA
4. Menninger Department of Psychiatry and Behavioral Sciences; Baylor College of Medicine, and Michael E. DeBakey VA Medical Center; Houston; Texas; USA