Funding for this research was provided by:
Health Research Council of New Zealand (HRC 14/1004, HRC 18/1004)
Australian Research Council (FT100100312)
Text and Data Mining valid from 2019-12-01
Received: 24 August 2019
Accepted: 18 November 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: The study protocol was reviewed by the University of South Australia Human Research Ethics Committee, the Aboriginal Health Council of South Australia Human Research Ethics Committee and the New Zealand Health & Disability Ethics Committee.
: All authors consent for this manuscript to be published.
: The authors declare no competing interests.