Correction to: Nature Immunology https://doi.org/10.1038/s41590-019-0441-y, published online 29 July 2019.

In the version of this article initially published, the information for affiliation 11 was incomplete. The correct, full affiliation is as follows: The Loop Immuno-Oncology Laboratory, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, USA. The error has been corrected in the HTML and PDF versions of the article.