Funding for this research was provided by:
Australian Research Council (LP130100851)
Received: 17 February 2019
Accepted: 19 November 2019
First Online: 10 December 2019
Ethics approval and consent to participate
: The study was approved by The University of Newcastle Human Research Ethics Committee (reference: H-2013-0429). All participants provided informed, written consent to participate.
: Not applicable.
: Author BR is a member of the editorial board for <i>BMC Public Health.</i>