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Correction to: British Journal of Cancer (2016) 114, 723–730; doi:10.1038/bjc.2016.41; published online 22 March 2016
Updated online 26 May 2016: This article was originally published under a standard BJC licence, but has now been made available under a CC BY 4.0 licence. The PDF and HTML versions of the paper have been modified accordingly.
