Correction to: Cell Death and Differentiation (2012) 19, 1027–1037; doi:10.1038/cdd.2012.4; published online 3 February 2012
Since the publication of this article, the authors have noticed that the address for affiliation 1 was incorrect.
This error has now been rectified. The correct address is shown above and the corrected article appears in this issue. The html and online pdf versions have also been rectified, and now with the correct affiliations.
We would like to apologize for any inconvenience this may have caused.