Nat. Med. 23, 703–713 (2017); published online 08 May 2017; corrected after print 14 June 2017

In the version of this article initially published online, the top value in the y axis of the Kaplan–Meier plots in Figure 3c was incorrectly denoted as 0.1. The correct value is 1. The error has been corrected in the HTML and PDF versions of the article.