Correction to: Nature Reviews Disease Primers https://doi.org/10.1038/s41572-020-0158-0, published online 09 April 2020.

In the original version of this article, CXCL12 was misspelled as CXCR12 in the ‘Mechanisms/pathophysiology’ section. This error has now been corrected in the HTML and PDF versions of the article.