Correction to: Nature https://doi.org/10.1038/s41586-019-1306-0, published online 17 June 2019.

In this Article, the authors declared no competing interests; however, in the interests of transparency, the authors wish to amend the Competing Interests statement to read: ‘J.J.M. provided consulting advice to Arauco Chile on three occasions, most recently in 2015.’. The original Article has been corrected online.