Nat. Rev. Endocrinol. 11, 254 (2015); published online 24 March 2015; doi:10.1038/nrendo.2015.47

In the print and online versions of this article the doi of the original article was cited incorrectly. The correct doi for the original article is 10.1073/pnas.1500877112. This error has been corrected in the HTML and PDF versions of the article.