Received: 15 October 2017
Accepted: 21 February 2018
First Online: 7 March 2018
Ethics approval and consent to participate
: Written informed consent was obtained for all participants, and ethical approval was obtained from the Royal District Nursing Service Human Research Ethics Committee (approval number 150013) and The University of Sydney (2016/083).
: Not applicable.
: The authors declare that they have no competing interests.
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