Vol. 214, No. 7, July 2017. https://doi.org/10.1084/jem.20161070

The authors regret that an error appeared in their original version of Fig. 4. Some of the PE and PS species listed on the x axis of Fig. 4 B were incorrect. The corrected figure and corresponding legend appear below.

The online HTML and PDF versions of this paper 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/).