Funding for this research was provided by:
Australian Postgraduate Awards
Article History
Received: 20 July 2017
Accepted: 23 February 2018
First Online: 7 March 2018
Ethics approval and consent to participate
: All patients gave written consent for their participation in the study. The Sydney Local Area Health district ethics committee approved the study (protocol no. X16–0269).
: Not applicable.
: The authors declare that they have no competing interests.
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