Details of ethical approval
This study was granted ethical approval through The Prince Charles
Hospital Human Research Ethics Committee (HREC/17/QPCH/480). All data
were deidentified prior to export and analysis. Individual consent was
not sought as approval was granted through the Public Health Act
(RD007551) to access routinely collected data. The study was conducted
in accordance with the ethical principles from the National Health and
Medical Research Council guidelines (27).