Nat. Genet. 42, 579–589 (2010); published online 27 June 2010; corrected after print 27 August 2010

In the version of this article initially published, there was an error in Table 1. Specifically, for rs5945326, the risk and non-risk alleles were reversed. The correct risk allele at rs5945326 is A, the non-risk allele is G and the risk allele frequency in HapMap CEU is 0.79. These errors have been corrected in the HTML and PDF versions of the article.