Published on in Vol 23, No 3 (2021): March
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/22618, first published
.
1 St George's, University of London, London, United Kingdom
2 Imperial College London, London, United Kingdom
3 Department of HPB Surgery and Liver Transplantation, Royal Free Hospital, London, United Kingdom