Funding for this research was provided by:
Bundesministerium für Bildung und Forschung
Received: 27 May 2020
Accepted: 10 November 2020
First Online: 23 November 2020
Ethics approval and consent to participate
: The data acquisition procedure was approved by the local data protection authorities (No. 567/16) and the local ethics board (No. EA4/051/20, Ethics Board Charité, Campus Mitte).
: No details, images, or videos relating to an individual person are published in this paper.
: The author HP is the associate editor of BMC Medical Education.