Received: 13 April 2021
Accepted: 28 September 2021
First Online: 9 October 2021
: The Committee on Health Research Ethics in the Capital Region of Denmark waived the need for ethical approval (journal number: 17021633), and the trial was approved by the Danish Data Protection Agency (journal number HGH-2017-131, I-Suite number: 06089). The trial was not publicly registered, as this is not mandatory for studies assessing teaching interventions in healthy volunteers. Participation in the trial was optional and voluntary and all participants gave written informed consent, which could be withdrawn without explanation at any time.
: All participants gave informed consent.
: The authors declare that they have no competing interests.