Received: 28 March 2018
Accepted: 12 July 2018
First Online: 31 July 2018
Ethics approval and consent to participate
: Prior to the study commencing, ethics approval was granted in the form of a waiver from the Gold Coast University Hospital HREC committee and Bond University ethics committee. Consent to participate was not applicable due to the retrospective nature of the study.
: Not applicable.
: The authors declare that they have no competing interests. The authors acknowledge that we have full control of all primary data and agree to allow the journal to review the data upon request.
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