Correction to Nature Cell Biology https://doi.org/10.1038/s41556-019-0426-y, published online 2 December 2019

In the version of this article originally published, the plus and minus conditions of serum in Fig. 1c were swapped. It should be ‘– + – +’ instead of ‘+ – + –‘. The error has been corrected in the HTML and PDF versions of the paper.

Fig. 1c
figure 1

Original and Corrected.