Division of General Surgery, Department of Surgery, E-Da Cancer Hospital, Kaohsiung 82445, Taiwan. School of Medicine, College of Medicine, I-Shou University, Kaohsiung 84001, Taiwan. Department of Otorhinolaryngology, E-Da Cancer Hospital, Kaohsiung 82445, Taiwan. Prospect Clinic for Otorhinolaryngology & Neurology, Kaohsiung 811, Taiwan. Department of Internal Medicine, E-Da Hospital, Kaohsiung 82445, Taiwan. Department of Psychology, College of Medical and Health Science, Asia University, Taichung 413, Taiwan. Gender Equality Education and Research Center, Asia University, Taichung 413, Taiwan. Department of Medical Research, Asia University Hospital, Asia University, Taichung 413, Taiwan. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 406040, Taiwan. Department of Psychiatry, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan. Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan.