Received: 6 June 2019
Accepted: 11 September 2019
First Online: 7 October 2019
Ethics approval and consent to participate
: Institutional review board approval (and therefore participant consent) was not required according to national regulations (TCPS2 2014, Article 2.5), available at: ExternalRef removed
: No individual person’s data is included in this study.
: Dr. Claudia Krebs is a member of the BME Medical Education Editorial Board. The other authors declare that they have no competing interests.