Correction to: British Journal of Cancer (2015) 113, 259–267; doi:10.1038/bjc.2015.162The authors of the above paper have recognised that they unintentionally omitted information about their funding sources from the Acknowledgements section of their paper. The funding statement is included below. The authors apologise for this oversight.This work was funded by grants from the Millennium Science Initiative of the Ministry of Economy, Development and Tourism (P09/016-F, FS-O); the Chilean National Fund for Scientific and Technological Development (FONDECYT 1130320 FS-O) and European Union Seventh Framework Programme (FP7/2007/2013) under grant agreement number 246556 (European Project RBUCE-UP AT).