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)
BMC Surg. 2016 Jan 4:16:1.
doi: 10.1186/s12893-015-0113-2.