Abstract
Correction to: The EMBO Journal (2009) 28, 2945–2958. doi:10.1038/emboj.2009.237
In the above article, an acknowledgement of a funding source was inadvertently omitted from the acknowledgements section.
MDB was supported by a Career Award in the Biomedical Sciences from the Burroughs Wellcome Fund.
The authors apologize for any inconvenience caused.