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Article History

Received: 19 October 2017

Accepted: 12 April 2018

First Online: 18 April 2018

Ethics approval and consent to participate

: This study was approved by the Human Research Ethics Committee at the University of Sydney [No. 2017/202].Before commencing the study, participants were asked to read a Participant Information Sheet and an informed consent statement. Participants were required to indicate their consent by clicking ‘Yes’ on an electronic consent form before the survey could begin. Participants were informed about their right to exit the survey at any time, and all participant data were analysed and reported anonymously.

: The authors declare that they have no competing interests.

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