Nss_a_339898 711..723

1Department of Psychiatry, National Taiwan University Hospital, Taipei, Taiwan; 2Department of Psychiatry, Taipei City Hospital, Songde Branch, Taipei, Taiwan; 3Department of Psychiatry, Wan-Fang Hospital, Taipei, Taiwan; 4Institute of Health Policy and Management, National Taiwan University, Taipei, Taiwan; 5Department of Psychiatry, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; 6Center of Sleep Disorders, National Taiwan University Hospital, Taipei, Taiwan; 7Graduate Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan