Published on in Vol 22, No 9 (2020): September
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/21956, first published
.

1 Department of Medicine, Kliniken Ostallgaeu-Kaufbeuren , Fuessen , DE
2 DESIGN-IT GmbH , Frankfurt , DE
3 University Medical Center Freiburg , Freiburg , DE
*these authors contributed equally