Nat. Med. 24, 176–185 (2018); published online 15 January 2018; corrected after print 7 February 2018

In the version of this article initially published, two of the authors are incorrectly identified as John Stamatoyannopolus and Henri Versteeg. The authors' names are John A Stamatoyannopoulos and Henri H Versteeg. Also, the affiliation “Research Laboratory, Istituto Ortopedico Rizzoli, Bologna, Italy” is incorrect. The correct affiliation is “Laboratory of Experimental Oncology, Istituto Ortopedico Rizzoli, Bologna, Italy”. The errors have been corrected in the HTML and PDF versions of the article.