| Affiliation: | Current affiliations: Division of Gastroenterology (K.M., S.T., T.K., A.E., C.S.), Department of Medicine, Nippon Medical School, Tokyo, Division of Gastroenterology (H.Y., T.Y., K.S.), Department of Internal Medicine, Jichi Medical University, Tochigi, Department of Gastroenterology (H.G.), Nagoya University Graduate School of Medicine, Nagoya, Department of Gastroenterology (H.N.), Kyoto University Graduate School of Medicine, Kyoto, Department of Endoscopy (S.T.), Hiroshima University, Hiroshima, Department of Gastroenterology (T.M.), Fukuoka University Chikushi Hospital, Fukuoka, Department of Medicine and Clinical Science (M.I.), Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan |
