Correction to: Nature https://doi.org/10.1038/s41586-019-1275-3, published online 05 June 2019.

In this Letter, the x-axis labels of Fig. 3b were inadvertently shifted to the left. The original Letter has been corrected online, and Fig. 1 of this Amendment shows the original panel, for transparency.

Fig. 1
figure 1

This figure displays the corrected and the incorrect published Fig. 3b of the original Letter.

In addition, in panels b1 and c1 of Extended Data Fig. 9, the word ‘week’ should have been ‘weak’. The original Letter has been corrected online.