1. Department of Psychiatry, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
2. Department of Psychiatry, Tainan Municipal Hospital (Managed by Show Chwan Medical Care Corporation), Tainan, Taiwan
3. Institute of Behavioral Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
4. Department of Psychiatry, Tainan Hospital, Ministry of Health and Welfare, Tainan, Taiwan
5. Department of Psychiatry, National Cheng Kung University Hospital, Dou-Liou Branch, Yunlin, Taiwan