Received: 27 March 2019
Accepted: 6 January 2020
First Online: 15 January 2020
Ethics approval and consent to participate
: Ethics approval for this study was obtained by the Dutch Association for Medical Education (NVMO). Written informed consent was obtained in all participants.
: Not applicable.
: E.G. is an Associate Editor of the editorial board of the BMC Medical Education. The authors declare no further competing interests.