1. Department of Psychiatry; Chung Shan Medical University Hospital; Taichung Taiwan
2. School of Medicine; Chung Shan Medical University; Taichung Taiwan
3. Department of Health; Tsaotun Psychiatric Center; Nantou Taiwan
4. School of Speech Language Pathology and Audiology; Chung Shan Medical University; Taichung Taiwan
5. Chang Gung University; Kwei-shan Taiwan
6. Chang Gung Medical Foundation; Chiayi Chang Gung Memorial Hospital; Chiayi Taiwan
7. King's College London; Institute of Psychiatry; London United Kingdom