1. Department of Psychiatry; Far Eastern Memorial Hospital; New Taipei City Taiwan
2. Graduate Institute of Epidemiology and Preventive Medicine, College of Public Health; National Taiwan University; Taipei Taiwan
3. Department of Psychiatry, Wan-Fang Hospital and School of Medicine; Taipei Medical University; Taipei Taiwan
4. Department of Psychiatry; Chung Shan Medical University Hospital; Taichung Taiwan
5. School of Medicine; Chung Shan Medical University; Taichung Taiwan
6. Department of Public Health; Kaohsiung Medical University; Kaohsiung Taiwan