Vol. 216, No. 3, March 4, 2019. 10.1084/jem.20180765.

The authors regret that in their original paper, the Masson’s image of the control group in Fig. 7 J was incorrect as a result of an error during figure preparation. The corrected figure appears below.

The online HTML and PDF have been corrected. The error remains only in the print version.

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