Retraction to: J Exp Clin Cancer Res 37, 106 (2018)

https://doi.org/10.1186/s13046-018-0771-x

The Editor-in-Chief has retracted this article [1] because after publication it was found that the authors did not obtain ethics approval prior to commencing the study. Additionally, concerns were raised regarding a number of image duplications within Figs. 2d, e, 4g and f.

All authors agree to this retraction.