Publication info: BMJ Open. 2019. Volume 9, Issue 6PMID: 31221871External link: https://bmjopen.bmj.com/content/9/6/e026057Publication date: June, 2019Authors: Donnelly C, Hart N, McCrorie AD, Donnelly M, Anderson L, Ranaghan L, Gavin ARegistry: Northern Ireland Cancer RegistryPublication type: Paper