title: Response to Ishimura et al.
authors.affiliation: Department of Gastroenterology, Hospital San Pedro de Alcantara, Caceres, Spain.
authors.forename: Javier
authors.initials: J
authors.lastname: Molina-Infante
authors.affiliation: Department of Gastroenterology, Hospital General de Tomelloso, Ciudad Real, Spain.
authors.forename: Alfredo J
authors.initials: AJ
authors.lastname: Lucendo
authors.affiliation: Research Unit, Hospital San Pedro de Alcantara, Caceres, Spain.
authors.forename: Jose
authors.initials: J
authors.lastname: Zamorano