Correction to: Nature https://doi.org/10.1038/s41586-020-2995-0Published online 02 December 2020

In the HTML version of this Article, owing to a production error, author Mengyu Liu was wrongly associated with affiliation 4 (Present address: Department of Physiology, Feinberg School of Medicine Northwestern University, Chicago, IL, USA) and for author Ann Kennedy, the words ‘Present address:’ were omitted from affiliation 4. The PDF version was correct and the HTML version has been corrected.