1. Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
2. Department of Medicine, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
3. Department of Food Science and Nutrition, Meiho University, Pingtung, Taiwan
4. Department of Pathology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
5. Department of Surgery, E-Da Hospital, Kaohsiung, Taiwan
6. Ph.D. Program in Environmental and Occupational Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
7. Graduate Institute of Clinical Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
8. Center for Infectious Disease and Cancer Research, Kaohsiung Medical University, Kaohsiung, Taiwan
9. Department of Laboratory Medicine & Department of Research, Education & Training, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
10. Department of Family Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
11. Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan