Correction to: Oncogene (2003) 22, 8255–8262, doi:10.1038/sj.onc.1207156

Since the publication of the above paper, the authors have identified an error. In the Acknowledgements section, Dr Lorenzo Pinna should have been thanked for providing the TBB. The authors apologise for this error and regret any confusion and/or inconvenience it may have caused.