1. Department of Hepatology and Gastroenterology, Division of Internal Medicine, Chang Gung Memorial Hospital, Yunlin 638502, Taiwan
2. Department of Nursing, Chang Gung Memorial Hospital, Chiayi 613016, Taiwan
3. Department of Information Management, National Chung Cheng University, Chiayi 621301, Taiwan
4. Biostatistics Center of Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833253, Taiwan
5. Department of Thoracic Medicine, Division of Internal Medicine, Chang Gung Memorial Hospital, Yunlin 638502, Taiwan
6. Department of Hepatology and Gastroenterology, Division of Internal Medicine, Chang Gung Memorial Hospital, Chiayi 613016, Taiwan
7. College of Medicine, Chang Gung University, Taoyuan City 333323, Taiwan