Published on in Vol 7, No 3 (2019): March
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/12179, first published
.
1 Charité - Universitätsmedizin Berlin, Institute of Medical Sociology, Berlin, Germany
2 University of New Brunswick, Faculty of Kinesiology, Fredericton, NB, Canada
3 Technische Universität Berlin, Quality and Usability Lab, Berlin, Germany