title: Reply.
authors.affiliation: Division of Gastroenterology and Hepatology, Medical College of Wisconsin, Milwaukee, Wisconsin.
authors.forename: Emery C
authors.initials: EC
authors.lastname: Lin
authors.affiliation: Division of Gastroenterology and Hepatology, Medical College of Wisconsin, Milwaukee, Wisconsin.
authors.forename: Benson T
authors.initials: BT
authors.lastname: Massey