Funding for this research was provided by:
National Health and Medical Research Council (1117784)
Text and Data Mining valid from 2020-02-03
Received: 22 September 2019
Accepted: 23 December 2019
First Online: 3 February 2020
Ethics approval and consent to participate
: There is negligible risk and hence exempt. Applicants were informed that the survey results would be published in the public domain.
: Not applicable
: The authors declare that they have no competing interests.