1. Division of Hepatobiliary Pancreatic Surgery, Department of Surgery, Kaohsiung Medical University, Kaohsiung, Taiwan
2. Faculty of Renal Care, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
3. Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
4. Graduate Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
5. Department of Microbiology, Faculty of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan