1. Department of Psychiatry; Chung Shan Medical University Hospital; Taichung Taiwan
2. School of Medicine; Chung Shan Medical University; Taichung Taiwan
3. Chang Gung University; Taiwan
4. Chang Gung Medical Foundation; Chiayi Chang Gung Memorial Hospital; Taiwan
5. Department of Surgery; Taichung Veterans General Hospital; Taichung Taiwan
6. Department of Radiation Oncology; Chung Shan Medical University Hospital; Taichung Taiwan
7. King's College London; Institute of Psychiatry; London UK
8. Department of Public Health; Kaohsiung Medical University; Kaohsiung Taiwan