Published on in Vol 5, No 4 (2018): Oct-Dec
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/9235, first published
.
1 Data Science Group, Computer Science Research Centre, Department of Computer Science and Creative Technologies, University of the West of England, Bristol, United Kingdom
2 University of the West of England, Bristol, United Kingdom