Correction to: Cancer Gene Therapy (2011) 18, 717–723 doi: :10.1038/cgt.2011.41; published online 5 August 2011

The author list was published incorrectly online. The correct author list is F Hedjran, S Kumar and T Reid.

The full names of the people thanked in the Acknowledgments should have been listed as Shakeela Dad, Marta Sartor and Yoel Bogoch.