Scientific Reports 6: Article number: 20331; published online: 3 February 2016; updated: 04 March 2016

The original version of this Article contained errors in the spelling of the authors Encarnación Medina-Carmona, Esperanza Padín-Gonzalez and Noel Mesa-Torres which were incorrectly given as Medina-Carmona Encarnación, Padín-Gonzalez Esperanza and Mesa-Torres Noel.

In addition, the ‘How to cite this article’ section quoted an incorrect abbreviation for Encarnación Medina-Carmona. These errors have now been corrected in the PDF and HTML versions of the Article.