1. Department of Psychiatry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand;
2. Department of Psychiatry, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand;
3. Singapore Clinical Research Institute, Singapore;
4. National Clinical Research Center for Mental Disorders and the Key Laboratory of Mental Health, Ministry of Health (Peking University), Beijing, China;
5. Peking University Institute of Mental Health (The Sixth Hospital), Beijing, China;
6. Department of Psychological Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia;
7. Department of Psychiatry, Taipei Medical University Shuang-Ho Hospital, Taipei, Taiwan;
8. Duke-NUS Medical School, Singapore