Funding for this research was provided by:
National Health and Medical Research Council (APP1138488)
Received: 31 March 2019
Accepted: 11 June 2019
First Online: 20 June 2019
Ethics approval and consent to participate
: Ethics approvals were granted by the Fiji National University College Health Research and Ethics Committee and the University of Queensland’s Human Research Ethics Committees A and B (Clearance Number 2017001998/HREC/). All participants provided written consent to participate.
: Not applicable.
: The authors declare that they have no competing interests.