Published on in Vol 6, No 11 (2019): November
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/14018, first published
.
1 Department of General Internal Medicine and Psychosomatics, Heidelberg University Hospital, Heidelberg, Germany
2 Medical Faculty of Heidelberg, Heidelberg University, Heidelberg, Germany
3 Electrical Engineering and Applied Sciences, Westphalian University of Applied Sciences, Gelsenkirchen, Germany