The data that support the findings of this study are available from the South Australian Department for Health and Wellbeing (South Australian Cancer Registry and Integrated South Australian Activity Collection) and the Australian Institute of Health and Welfare (MBS, PBS and NDI), but restrictions apply to the availability of these data, which were used under licence for the current study, and so are not publicly available. Data are however available from the authors upon reasonable request and with permission of the South Australian Department for Health and Wellbeing and the Australian Institute of Health and Welfare.