Publisher Correction: Altered perivascular fibroblast activity precedes ALS disease onset

Correction to: Nature Medicine https://doi.org/10.1038/s41591-021-01295-9, published online 15 April 2021.

In the version of this article initially published, the label along the right margin of the top row in Fig. 2d (SO1D^G93A) was incorrect. The correct label is ‘SOD1^G93A’. The error has been corrected in the HTML and PDF versions of the article.