1 Division of Gastroenterology and Hepatology, Department of Internal Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan.
2 School of Medicine, National Yang-Ming University, Taipei, Taiwan.
3 Master Degree Program in Aging and Long-Term Care, College of Nursing, Kaohsiung Medical University, Kaohsiung, Taiwan.
4 Department of Medical Research, Kaohsiung Medical University Chung-Ho Memorial Hospital, Kaohsiung, Taiwan.
5 Division of Hepato-Gastroenterology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan.
6 College of Medicine, Chang Gung University, Kaohsiung, Taiwan.
7 Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.