Hewison, M. Nat. Rev. Endocrinol. 7, 337–345 (2011); doi:10.1038/nrendo.2010.226

In the online and print versions of this article initially published, the published online date was 25 January 2010. The published online date should have been 25 January 2011. The error has been corrected for the HTML and PDF versions of the article.