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Article History

Received: 26 February 2018

Accepted: 31 May 2018

First Online: 15 June 2018

Ethics approval and consent to participate

: Ethics approval was provided for all sites by the relevant Human Research Ethics Committees (HREC) (University of Western Australia HREC- RA/4/1/2478, South Australia Health HREC- 2009179, Queensland Health HREC- 52-09, Melbourne Health HREC- 2010.011, St. Vincent’s Hospital Melbourne HREC- 119/09, Hunter New England HREC- 09/11/18/5.10, Greater Western Area Health Service HREC- SSA/10/GWAHS/2). The Declaration of Helsinki was adhered to during all steps of the study. All participants provided written informed consent.

: The authors declare that they have no competing interests.

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