1. Department of PsychiatryChang Gung Memorial Hospital at Linkou and Chang Gung University Taoyuan Taiwan
2. Division of Rehabilitation & Community Psychiatry, Department of PsychiatryChang Gung Memorial Hospital at Taoyuan Taoyuan Taiwan
3. Division of Biostatistics and BioinformaticsInstitute of Population Health Sciences, National Health Research Institutes Miaoli Taiwan