Correction to: Leukemia (2012) 26, 1073–1080; doi:10.1038/leu.2011.263; published online 23 September 2011

Since the publication of this paper, the authors have noticed that Supplementary Figure S3 is incorrect, in that the pictures in S3B and S3C are the same.

The Supplementary Figure has been rectified, and the correct figure accompanies the online version of this corrigendum.

The authors apologise for any inconvenience caused.