Funding for this research was provided by:
Joachim Herz Stiftung
Received: 16 March 2022
Accepted: 8 July 2022
First Online: 1 August 2022
: The study was performed in accordance with the Declaration of Helsinki and the Ethics Committee of the Chamber of Physicians, Hamburg, approved this study and confirmed its innocuousness (PV3649). Participation was voluntary and all participants provided informed written consent for participation in this study. All data were anonymized.
: Not applicable.
: SH has a position as Section Editorial Board Member to BMC Medical Education. VO and EZ have no competing interests.