Correction to: Oncogene (2014) 33, 4786–4794; doi:10.1038/onc.2013.424; published online 21 October 2013

Following the publication of this article the authors noticed an error in the equation of FGFR2-IIIc inclusion ratio in the Materials and methods section. The correct equation is shown below:

The authors apologise for any inconvenience caused by this error.