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Article History

Received: 27 May 2018

Accepted: 27 November 2019

First Online: 11 December 2019

Ethics approval and consent to participate

: The ethics committees of the University of Newcastle (H-2012-0256) and The University of Queensland (2012000950) approved the research protocol.Participants were asked for consent to data linkage with administrative datasets. Informed consent to participate, as implied by survey initiation, was approved by the University of Newcastle and the University of Queensland Human Research Ethics Committees.

: The authors declare that they have read and approved the manuscript in its current state for submission and that they consent to publication of this paper. The authors also declare that the content of the manuscript has not been published or submitted for publication elsewhere.There are no participant personal or clinical details or identifying images in this manuscript, hence consent to publish from the participants in not applicable.

: The authors declare that they have no competing interests.