Nunez, Carlos
Nair-Shalliker, Visalini
Egger, Sam
Sitas, Freddy
Bauman, Adrian
Article History
Received: 8 January 2018
Accepted: 27 February 2018
First Online: 6 March 2018
Ethics approval and consent to participate
: The study was approved by the University of New South Wales Human Research Ethics Committee and the analysis was consented to by the New South Wales Population and Health Services Research Ethics.
: Not applicable
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.