1. Department of Psychiatry and Behavioral Sciences; University of Texas Medical School at Houston; Houston Texas
2. Baylor College of Medicine; Houston Texas
3. Beijing Hui-Long-Guan Hospital; Peking University; Beijing China
4. Michael E. DeBakey VA Medical Center; Houston Texas
5. Peking University Sixth Hospital/Institute of Mental Health and National Clinical Research Center for Mental Disorders; Beijing China
6. Key Laboratory of Mental Health; Ministry of Health, Peking University; Beijing China