Correction to: Cell Death and Differentiation (2009) 16, 1408–1417; doi:10.1038/cdd.2009.86; published online 3 July 2009

In Supplementary Figure 1f, the western blot results for FOXO1 protein expression were a duplicate of the results for FOXO3a protein expression. This error does not alter the scientific content of the figure and the overall conclusion of the study.

The authors would like to apologize for any inconvenience caused.