title: Response.
authors.affiliation: Division of Gastroenterology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA.
authors.forename: Augustin
authors.initials: A
authors.lastname: Attwell
authors.affiliation: Division of Gastroenterology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA.
authors.forename: Raj J
authors.initials: RJ
authors.lastname: Shah