Article History
Received: 15 August 2019
Accepted: 22 October 2019
First Online: 4 November 2019
Ethics approval and consent to participate
: All the data were handled according to the guidelines set out in the Declaration of Helsinki, and ethical approval to conduct the study was obtained from the Regional Ethics Committee of Stockholm (2014/2185–31). The respondents were informed that participation was voluntary and that they could discontinue their participation at any time. They were also informed that the data collected would be treated confidentially throughout the study. Written informed consent was obtained from all the participants.
: Not applicable.
: TS is a section editor on the editorial board of <i>BMC Medical Education</i>. The authors declare that they have no competing interests.