Correction to: Cell Death and Disease (2013) 4, e732; doi:10.1038/cddis.2013.257; published online 18 July 2013
Since the publication of this article, the authors have noticed that Francesco Paolo Cammarata's name was incorrect. The correct author list is shown above. The corrected article appears online together with this corrigendum.
The authors would like to apologize for any inconvenience.