1. Department of Healthcare Administration and Medical Informatics, Kaohsiung Medical University, Kaohsiung, Taiwan;
2. Division of Hepatobiliary Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan;
3. Department of Psychiatry, Chi-Mei Medical Center, Tainan, Taiwan;
4. Department of Psychiatry, Chi-Mei Hospital, Liouying, Tainan, Taiwan;
5. Department of Psychiatry, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan