Correction to: British Journal of Cancer (2015) 112, 1626–1635; doi:10.1038/bjc.2015.109; published online 21 April 2015
Updated online 26 May 2016: This article was originally published under a CC BY-NC-SA 4.0 license, but has now been made available under a CC BY 4.0 license. The PDF and HTML versions of the paper have been modified accordingly.