Published on in Vol 7, No 4 (2019): April
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/10967, first published
.
1 Department of Computer Science, University of Applied Sciences and Arts Dortmund, Dortmund, Germany
2 Institute for Medical Informatics, Biometry and Epidemiology, University Hospital Essen, Essen, Germany
*these authors contributed equally