Published on in Vol 8, No 4 (2019): April
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/12144, first published
.

1 Bayer Vital GmbH, Leverkusen, Germany
2 xbird GmbH, Berlin, Germany
3 Department of Internal Medicine, Justus-Liebig-University Giessen, Universities of Giessen and Marburg Lung Center, Member of the German Center for Lung Research (DZL), Giessen, Germany