Correction to: Leukemia (2014) 28, xx–xx; doi:10.1038/leu.2014.87; published online 21 March 2014

Since the online publication of this article, the authors have identified an omission concerning the author contributions, namely that the following was not included: FP and GF contributed equally to this study.

The corrected list is shown here.

This error has now been rectified, and the correct article appears in this issue. The html and online pdf versions have also been rectified, and now carry the correct paper.

The Publisher would like to apologize for any inconvenience this may have caused.