Affiliation: | Current affiliations: Department of Gastroenterology, Nagoya University Graduate School of Medicine (T.I., A.I., H.K., E.O., H.M., Y.I., Y.N., M.N., K.H., M.I., Y.K., N.O., H.G.); Department of Endoscopy, Nagoya University Hospital (R.M., Y.H.), Nagoya, Japan |