Correction to: Nature Medicine https://doi.org/10.1038/nm.4135, published online 4 July 2016.

In the version of this article initially published, three of the four FACS plots shown in Fig. 5c were incorrect duplicates of the control plot at left; a correct Fig. 5c is presented as Fig. 1 below.

Fig. 1
figure 1

Corrected Fig. 5c.