title: Erratum to: The ACCURE-trial: the effect of appendectomy on the clinical course of ulcerative colitis, a randomised international multicenter trial (NTR2883) and the ACCURE-UK trial: a randomised external pilot trial (ISRCTN56523019).
authors.affiliation: Department of Surgery, Academic Medical Centre, Amsterdam, 1100, DD, The Netherlands.
authors.forename: Tjibbe J
authors.initials: TJ
authors.lastname: Gardenbroek
authors.affiliation: Department of Surgery, University Hospitals Birmingham, Birmingham, UK.
authors.forename: Thomas D
authors.initials: TD
authors.lastname: Pinkney
authors.affiliation: Department of Surgery, Academic Medical Centre, Amsterdam, 1100, DD, The Netherlands.
authors.forename: Saloomeh
authors.initials: S
authors.lastname: Sahami
authors.affiliation: Department of Surgery, University Hospitals Birmingham, Birmingham, UK.
authors.forename: Dion G
authors.initials: DG
authors.lastname: Morton
authors.affiliation: Department of Surgery, Academic Medical Centre, Amsterdam, 1100, DD, The Netherlands.
authors.forename: Christianne J
authors.initials: CJ
authors.lastname: Buskens
authors.affiliation: Department of Gastroenterology, Academic Medical Centre, Amsterdam, The Netherlands.
authors.forename: Cyriel Y
authors.initials: CY
authors.lastname: Ponsioen
authors.affiliation: Department of Surgery, Academic Medical Centre, Amsterdam, 1100, DD, The Netherlands.
authors.forename: Pieter J
authors.initials: PJ
authors.lastname: Tanis
authors.affiliation: Department of Gastroenterology, Academic Medical Centre, Amsterdam, The Netherlands.
authors.forename: Mark
authors.initials: M
authors.lastname: Löwenberg
authors.affiliation: Department of Gastroenterology, Academic Medical Centre, Amsterdam, The Netherlands.
authors.forename: Gijs R
authors.initials: GR
authors.lastname: van den Brink
authors.affiliation: Department of Surgery, Meander Medical Center, Amersfoort, The Netherlands.
authors.forename: Ivo A M J
authors.initials: IA
authors.lastname: Broeders
authors.affiliation: Department of Gastroenterology, Meander Medical Center, Amersfoort, The Netherlands.
authors.forename: Hendrikus J M
authors.initials: HJ
authors.lastname: Pullens
authors.affiliation: Department of Gastroenterology, Amphia Hospital, Breda, The Netherlands.
authors.forename: Tom
authors.initials: T
authors.lastname: Seerden
authors.affiliation: Department of Surgery, Flevo Hospital, Almere, The Netherlands.
authors.forename: Maarten J
authors.initials: MJ
authors.lastname: Boom
authors.affiliation: Department of Gastroenterology, Flevo Hospital, Almere, The Netherlands.
authors.forename: Rosalie C
authors.initials: RC
authors.lastname: Mallant-Hent
authors.affiliation: Department of Surgery, Isala Hospital, Zwolle, The Netherlands.
authors.forename: Robert E G J M
authors.initials: RE
authors.lastname: Pierik
authors.affiliation: Department of Gastroenterology, Isala Hospital, Zwolle, The Netherlands.
authors.forename: Juda
authors.initials: J
authors.lastname: Vecht
authors.affiliation: Department of Surgery, Atrium Medical Center, Heerlen, The Netherlands.
authors.forename: Meindert N
authors.initials: MN
authors.lastname: Sosef
authors.affiliation: Department of Gastroenterology, Atrium Medical Center, Heerlen, The Netherlands.
authors.forename: Annick B
authors.initials: AB
authors.lastname: van Nunen
authors.affiliation: Department of Surgery, Lucas Andreas Hospital, Amsterdam, The Netherlands.
authors.forename: Bart A
authors.initials: BA
authors.lastname: van Wagensveld
authors.affiliation: Department of Gastroenterology, Lucas Andreas Hospital, Amsterdam, The Netherlands.
authors.forename: Pieter C F
authors.initials: PC
authors.lastname: Stokkers
authors.affiliation: Department of Surgery, Onze Lieve Vrouwe Hospital, Amsterdam, The Netherlands.
authors.forename: Michael F
authors.initials: MF
authors.lastname: Gerhards
authors.affiliation: Department of Gastroenterology, Onze Lieve Vrouwe Hospital, Amsterdam, The Netherlands.
authors.forename: Jeroen M
authors.initials: JM
authors.lastname: Jansen
authors.affiliation: Department of Surgery, Slotervaart Hospital, Amsterdam, The Netherlands.
authors.forename: Yair
authors.initials: Y
authors.lastname: Acherman
authors.affiliation: Department of Gastroenterology, Slotervaart Hospital, Amsterdam, The Netherlands.
authors.forename: Annekatrien C T M
authors.initials: AC
authors.lastname: Depla
authors.affiliation: Department of Surgery, St. Franciscus Hospital, Rotterdam, The Netherlands.
authors.forename: Guido H H
authors.initials: GH
authors.lastname: Mannaerts
authors.affiliation: Department of Gastroenterology, St. Franciscus Hospital, Rotterdam, The Netherlands.
authors.forename: Rachel
authors.initials: R
authors.lastname: West
authors.affiliation: Department of Gastroenterology, University Hospitals Birmingham, Birmingham, UK.
authors.forename: Tariq
authors.initials: T
authors.lastname: Iqbal
authors.affiliation: Department of Gastroenterology, University Hospitals Birmingham, Birmingham, UK.
authors.forename: Shrikanth
authors.initials: S
authors.lastname: Pathmakanthan
authors.affiliation: Birmingham Clinical Trials Unit, University Hospitals Birmingham, Birmingham, UK.
authors.forename: Rebecca
authors.initials: R
authors.lastname: Howard
authors.affiliation: Birmingham Clinical Trials Unit, University Hospitals Birmingham, Birmingham, UK.
authors.forename: Laura
authors.initials: L
authors.lastname: Magill
authors.affiliation: Department of Surgery, University Hospitals Leicester, Leicester, UK.
authors.forename: Baljit
authors.initials: B
authors.lastname: Singh
authors.affiliation: School of Immunity and Infection, University of Birmingham, Birmingham, UK.
authors.forename: Ye H
authors.initials: YH
authors.lastname: Oo
authors.affiliation: Department of Surgery, University Hospitals Birmingham, Birmingham, UK.
authors.forename: Dmitri
authors.initials: D
authors.lastname: Negpodiev
authors.affiliation: Clinical Research Unit, Academic Medical Centre, Amsterdam, The Netherlands.
authors.forename: Marcel G W
authors.initials: MG
authors.lastname: Dijkgraaf
authors.affiliation: Department of Gastroenterology, Academic Medical Centre, Amsterdam, The Netherlands.
authors.forename: Geert R A M
authors.initials: GR
authors.lastname: D'Haens
authors.affiliation: Department of Surgery, Academic Medical Centre, Amsterdam, 1100, DD, The Netherlands. w.a.bemelman@amc.uva.nl.
authors.forename: Willem A
authors.initials: WA
authors.lastname: Bemelman