Published on in Vol 6, No 4 (2020): Oct-Dec
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/22521, first published
.

1 Helios-Klinikum Gifhorn , Gifhorn , DE
2 Department of Orthopaedic Surgery, Otto von Guericke University , Magdeburg , DE
3 Gutingi-Medical Outpatient Clinic , Göttingen , DE
4 Teign Estuary Medical Group , Teignmouth , GB
5 University of Potsdam , Potsdam , DE
6 Institute of Social Medicine and Health Systems Research, Otto von Guericke University , Magdeburg , DE