Correction to: npj Regenerative Medicine (2016) 1, 16001; doi:10.1038/npjregenmed.2016.1; published online 9 June 2016

The following statement was missing in the Materials and Methods section: All experiments were approved by the local Ethics Committee at the Centro Nacional de Investigaciones Cardiovasculares (PA5512). The investigation conforms to the principles of Laboratory Animal Care which are formulated by the National Society for Medical Research and the Guide for the Care and Use of Laboratory Animals (US National Institutes of Health Publication 85-23, 1996).

A correction has been published and the statement has now been added in the HTML and PDF versions of this Article.

The erratum published for this paper contained an incorrect ethics statement. The Erratum, and the PDF and HTML versions of the paper, have been updated with the correct ethics statement.

The publication year of the paper stated in the PDF and HTML versions of the paper has also been corrected.