Article History
Received: 18 June 2020
Accepted: 18 November 2020
First Online: 26 November 2020
Ethics approval and consent to participate
: This project was considered by the <b>South Western Sydney Local Health District Human Research Ethics Committee</b> and was determined to meet the requirements of the National Statement on Ethical Conduct in Human Research (2007). Due to the use of routinely collected hospital separation data, the need for individual patient consent was waived (HREC code - ETH 08739). Permission to access the electronic medical record data was obtained from the Head of Department for Primary and Community Health.
: Not Applicable.
: All authors have no potential or actual competing interests to declare.