Publisher Correction : Altered perivascular fibroblast activity precedes ALS disease onset (Nature Medicine, (2021), 27, 4, (640-646), 10.1038/s41591-021-01295-9)

In the version of this article initially published, the label along the right margin of the top row in Fig. 2d (SO1DG93A) was incorrect. The correct label is ‘SOD1G93A’. The error has been corrected in the HTML and PDF versions of the article.
QC 20220318