Correction to: Nature Biomedical Engineering https://doi.org/10.1038/s41551-019-0412-5, published online 7 June 2019.

In the version of this News & Views originally published, the wrong colour scale was used for ‘Migratory (%)’ in the legend for panel b; this has now been amended. The corrected Fig. 1b is shown below.

Fig. 1
figure 1

Original and Corrected.