Received: 30 July 2019
Accepted: 20 May 2020
First Online: 1 June 2020
Ethics approval and consent to participate
: The project was approved by The University of Sydney Human Research Ethics Committee (reference number: 2017/886). Consistent with Australia’s <i>National Statement on Ethical Conduct in Human Research</i> [CitationRef removed], consent was implied by the return of the survey. This method of consent was approved by the Human Research Ethics Committee.
: Not applicable.
: The authors declare no competing interests.