Funding for this research was provided by:
National Health and Medical Research Council (ID1104636)
Text and Data Mining valid from 2019-02-01
Received: 25 July 2018
Accepted: 8 January 2019
First Online: 1 February 2019
Compliance with ethical standards
: The Census and Statistics Act, 1905 provides the authority for the Australian Bureau of Statistics to collect statistical information, and requires that statistical output shall not be published or disseminated in a manner that is likely to enable the identification of a particular person or organisation. Therefore, all information received by the Australian Bureau of Statistics has been treated in strict confidence as required by the Census and Statistics Act 1905.
: The authors declare that they have no conflict of interest.