Funding for this research was provided by:
National Health and Medical Research Council (G1100130)
Text and Data Mining valid from 2018-12-01
Received: 25 October 2017
Accepted: 10 December 2018
First Online: 27 December 2018
Ethics approval and consent to participate
: The Human Research Ethics Committees of Hunter New England Health (reference number: 11/12/14/4.02) and the University of Newcastle (reference number: H-2012-0061) approved the research. Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare they have no competing interests.
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