Article History
Received: 13 March 2018
Accepted: 30 April 2019
First Online: 22 May 2019
Ethics approval and consent to participate
: The project was approved by the Human Research Ethics Committee at the University of Western Australia (file reference RA/4/1/9131). Need for consent to participate was waived.
: Not applicable.
: The authors have undertaken this study in the course of their employment, with no funding from any other source, and have no conflict of interest to declare. Author Sandra E Carr is an Associate Editor for BMC Medical Education. She had no editorial role in the handling or peer review of this manuscript and was blinded to it during peer review.
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