Publication info: 2021 Apr 26;22(1):306.PMID: 33902699External link: https://trialsjournal.biomedcentral.com/articles/10.1186/s13063-021-05255-zPublication date: April, 2021Authors: A. L. Slade, A. Retzer, K. Ahmed, D. Kyte, T. Keeley, J. Armes, J. M. Brown, L. Calman, A. Gavin, A. W. Glaser, D. M. Greenfield, A. Lanceley, R. M. Taylor, G. Velikova, G. Turner and M. J. CalvertRegistry: Northern Ireland Cancer RegistryPublication type: Paper