title: Significance of Persistent Nondysplasia Over Multiple Endoscopic Surveillance in Risk Stratification of Patients With Barrett's Esophagus (Gastroenterology 2013;145:548-553, e1).
authors.affiliation: Department of Internal Medicine, Digestive Disease Center, Konkuk University School of Medicine, Konkuk University Medical Center, Seoul, Korea.
authors.forename: Jeong Hwan
authors.initials: JH
authors.lastname: Kim