Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01PL12038A)
Johann Wolfgang Goethe-Universität, Frankfurt am Main
Received: 31 March 2020
Accepted: 26 February 2021
First Online: 6 April 2021
: Ethical approval was not required for this study, as stated by the Ethics Board of the Medical Faculty of J.W. Goethe University Hospital, Frankfurt, Germany. However, the study was conducted in accordance with the Helsinki Declaration.Participation was voluntary and took place after written informed consent, which was revocable at any time.
: Not applicable.
: The authors declare that they have no competing interests. Miriam Ruesseler is an associate editor of BMC Medical Education.