Funding for this research was provided by:
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (NA)
Swiss Society of General Internal Medicine Foundation (NA)
Clinical Trials Unit from Bern University (NA)
Text and Data Mining valid from 2019-10-17
Received: 29 January 2019
Accepted: 30 September 2019
First Online: 17 October 2019
Ethics approval and consent to participate
: As the data were fully anonymised, an ethical approval was not required according to Swissethics.
: Not applicable.
: The authors declare that they have no competing interests.