Published on in Vol 10, No 4 (2022): April
                                    Preprints (earlier versions) of this paper are
                                    available at
                                    https://preprints.jmir.org/preprint/29813, first published
                                    .
                                

1 Department of General Practice and Health Services Research, University Hospital Heidelberg, Heidelberg, Germany
2 Scientific Databases and Visualization Group (SDBV), Heidelberg Institute for Theoretical Studies gGmbH, Heidelberg, Germany
