Correction to: Nature https://doi.org/10.1038/s41586-019-1156-9, published online 01 May 2019.

In Fig. 6a of this Article, the blue and red dots corresponding to the two proteins with the largest fold change (that is, Cidea and S100b, respectively) were erroneously moved to the top left of the volcano plot during the production process. This figure has been corrected online.