Correction to: Gene Therapy (2015) 22, 111–115; doi:10.1038/gt.2014.106; published online 4 December 2014

Since the publication of this paper, the authors have realized that one of the author names was displayed incorrectly. G Cantero-Nieto should have appeared as G Cantero.

The corrected author list is shown here. The article has also been rectified and now carries the correct information.

The authors apologize for any inconvenience caused.