1. Department of Healthcare Administration and Medical Informatics; Kaohsiung Medical University; Kaohsiung Taiwan
2. Department of Surgery; Division of Hepatobiliary Surgery; Kaohsiung Medical University Hospital; Kaohsiung Taiwan
3. Faculty of Medicine; College of Medicine; Kaohsiung Medical University; Kaohsiung Taiwan
4. Department of Health Care Management; University of Kang Ning; Tainan Taiwan