Published on in Vol 21, No 7 (2019): July
1 Centre for Human Health and Performance, University College London, London, United Kingdom
2 DeepMind Health, London, United Kingdom
3 Department of Applied Health Research, University College London, London, United Kingdom
4 Population Health Research Institute, St George’s, University of London, London, United Kingdom
5 Royal Free London NHS Foundation Trust, London, United Kingdom
6 Faculty of Life Sciences, University College London, London, United Kingdom
*these authors contributed equally