Correction to: Nature https://doi.org/10.1038/s41586-018-0495-2, published online 19 September 2018.

In this Brief Communications Arising Comment, owing to a typesetter error, the first three authors (Christa E. Osuna, So-Yon Lim and Jessica L. Kublin) should have been listed as equally contributing authors but were not. This has been corrected online.