Received: 5 September 2018
Accepted: 26 November 2018
First Online: 6 December 2018
Ethics approval and consent to participate
: Ethics approval was obtained from the Metro South Human Research Ethics Committee (reference HREC/16/QPAH/490). All necessary permissions to access medical records from the Princess Alexandra Hospital were obtained. Consent to participate was not a requirement.
: Not applicable.
: The authors declare that they have no competing interests.
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