Vol. 217, No. 5, May 4, 2020. 10.1084/jem.20191421.

JEM regrets that in the original version of this paper, Fernando Souza-Fonseca-Guimaraes’s name was mistakenly written as “Fernando Guimaraes.” The corrected author list appears above.

This article is available under a Creative Commons License (Attribution 4.0 International, as described at https://creativecommons.org/licenses/by/4.0/).