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Article History

Received: 14 August 2017

Accepted: 22 January 2018

First Online: 2 February 2018

Ethics approval and consent to participate

: Prior to undertaking the study, ethical approval was obtained for each study site via the Metro South Human Research Ethics Committee (HREC/15/QPAH/19), and also from the Queensland University of Technology (1500000370). Participants were advised that the questionnaire was anonymous and that completing the questionnaire would indicate consent.

: Not applicable

: The authors declare that they have no competing interests.

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