Received: 8 August 2016
Accepted: 6 June 2018
First Online: 26 June 2018
Ethics approval and consent to participate
: The research was approved by both the recruiting hospital and the University of Melbourne Human Research and Ethics Committees (Ethics ID: 1339986, dated 10 May 2013). Consent to participate was implied through completed and returned surveys.
: Not applicable.
: The authors declare that they have no competing interests.
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