Correction to: npj Digital Medicine https://doi.org/10.1038/s41746-018-0073-x, published online 11 December 2018

The original version of the published Article had a mistake in the first two sentences of the Author contributions section. The Author contributions have been updated to the following: R.A., N.G., H.R., and O.E. should be considered as co-first authors.

The HTML and PDF versions of the Article have been corrected.