Published on in Vol 22, No 8 (2020): August
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/17667, first published
.
1 Division of Health Sciences, Warwick Medical School, University of Warwick, Coventry, United Kingdom
2 Whittall Street Clinic, University Hospitals Birmingham National Health Service Foundation Trust, Birmingham, United Kingdom