Published on in Vol 7, No 4 (2020): Oct-Dec
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/19085, first published
.
1 Department of Computer Science, UiT - The Arctic University of Norway, Tromsø, Norway
2 Faculty of Design, Computer Science, Media, RheinMain University of Applied Sciences, Wiesbaden, Germany