Published on in Vol 9, No 6 (2021): June
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/22748, first published
.
1 Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, Oxford, United Kingdom
2 Department of Cardiology, Oxford University National Health Service Foundation Trust, Oxford, United Kingdom