Nat. Genet. 49, 1052–1060 (2017); published online 12 June 2017; corrected after print 18 August 2017

In the version of this article initially published, the e-mail address of corresponding author Christoph Plass was incorrect. The correct e-mail address is c.plass@dkfz.de. The error has been corrected in the HTML and PDF versions of the article.