Published on in Vol 22, No 10 (2020): October
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/21211, first published
.

1 University of Oulu, Oulu, Finland
2 TU Delft, Delft, The Netherlands
3 Erasmus University Rotterdam, Rotterdam, The Netherlands
4 Erasmus University Medical Center, Rotterdam, The Netherlands