title: Reply.
authors.affiliation: Departments of Gastroenterology and Hepatology, Rotterdam, The Netherlands.
authors.forename: I Lisanne
authors.initials: IL
authors.lastname: Holster
authors.affiliation: Departments of Gastroenterology and Hepatology, Rotterdam, The Netherlands.
authors.forename: Eric T T L
authors.initials: ET
authors.lastname: Tjwa
authors.affiliation: Radiology, Erasmus MC University Medical Centre, Rotterdam, The Netherlands.
authors.forename: Adriaan
authors.initials: A
authors.lastname: Moelker
authors.affiliation: Departments of Gastroenterology and Hepatology, Rotterdam, The Netherlands.
authors.forename: Ernst J
authors.initials: EJ
authors.lastname: Kuipers
authors.affiliation: Departments of Gastroenterology and Hepatology, Rotterdam, The Netherlands.
authors.forename: Henk R
authors.initials: HR
authors.lastname: van Buuren