title: Reply.
authors.affiliation: *Brigham and Women's Hospital, Crohn's and Colitis Center Division of Gastroenterology Harvard Medical School †Brigham and Women's Hospital, Division of Gastrointestinal Pathology Harvard Medical School.
authors.forename: Matthew J
authors.initials: MJ
authors.lastname: Hamilton
authors.forename: Robert D
authors.initials: RD
authors.lastname: Odze