Affiliation: | 1. Division of Hepato‐Gastroenterology, Department of Internal Medicine, Chang Gung Memorial Hospital‐Kaohsiung Medical Center, , Kaohsiung, Taiwan;2. Graduate Institute of Clinical Medical Sciences, Chang Gung University College of Medicine, , Kaohsiung, Taiwan;3. Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Veterans General Hospital and National Yang‐Ming University, , Kaohsiung, Taiwan |