Funding for this research was provided by:
National Health and Medical Research Council (GNT1122203)
Defence Health Foundation
Received: 17 July 2017
Accepted: 22 February 2018
First Online: 2 March 2018
Ethics approval and consent to participate
: The study was approved by the St John of God Health Care Human Research Ethics Committee (ref 839). All participants provided informed written consent to participate in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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