Published on in Vol 7, No 2 (2020): Jul-Dec
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/18508, first published
.
1 University of Oulu, Oulu, Finland
2 Qinematic, Stockholm, Sweden
3 Blekinge Institute of Technology, Karlshamn, Sweden
4 Bright Cape, Eindhoven, Netherlands