Correction to: British Journal of Cancer (2010) 102, 428–435. doi:10.1038/sj.bjc.6605450

Owing to an error during the web publication of this paper, an element of the Supplementary Material, vital to the understanding of the paper, was omitted. This document, ‘Suppl_online_material.pdf’, has now been uploaded to accompany the paper and appears online (please see ‘Correction to’ link above).

The publishers apologise to Dr Buffa and her co-authors for this unfortunate error.