1 Taipei City Psychiatric Center, Taipei City Hospital, Taipei City, Taiwan; Institute of Public Health, School of Medicine, National Yang-Ming University, Taipei City, Taiwan.
2 Graduate Institute of Medical Education and Bioethics, National Taiwan University College of Medicine, Taipei City, Taiwan; Department of Psychiatry, National Taiwan University Hospital, and College of Medicine, Taipei, Taiwan.
3 Department of Psychiatry, National Taiwan University Hospital, and College of Medicine, Taipei, Taiwan; Graduate Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan. Electronic address: gaushufe@ntu.edu.tw.