Correction to: British Journal of Cancer (2009) 100, 412–420. doi:10.1038/sj.bjc.6604820 www.bjcancer.com

Upon publication of this paper in Volume 100, one of the co-author's names was incorrectly stated – Julie Cunningham's middle initial was stated as ‘C’ rather than ‘M’. The authors and publishers apologise for this mistake. The correct author list is now shown, above.