Published on in Vol 7, No 2 (2019): Apr-Jun
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/11909, first published
.
1 Health Services Research, Medical School, Swansea University, Swansea, United Kingdom
2 Department of Computer Science, College of Science, Swansea University, Swansea, United Kingdom