1Department of Medical Imaging and Radiological Sciences, Chung Shan Medical University, Taichung, Taiwan, 2Department of Biomedical Sciences, Chung Shan Medical University, Taichung, Taiwan, 3Department of Psychiatry, Chang Gung Memorial Hospital, Chiayi, Taiwan, 4Tiawan Center for Metabolic and Bariatric Surgery, Jen-Ai Hospital, Taichung, Taiwan, 5Department of Psychology, Chung Shan Medical University, Taichung, Taiwan, 6Department of Medical Imaging, Chung Shan Medical University Hospital, Taichung, Taiwan