Nature Communications 8: Article number: 14290; DOI: 10.1038/ncomms14290 (2017); Published: January 30 2017; Updated: February 20 2017
The original version of this Article contained an error in the spelling of the author Rossella Marullo, which was incorrectly given as Rosella Marullo. This has now been corrected in both the PDF and HTML versions of the Article.