Received: 21 November 2019
Accepted: 11 May 2020
First Online: 11 June 2020
Ethics approval and consent to participate
: Ethics approval for the retrospective study was obtained from Griffith University (HSV/04/15/HREC) and a District Health Board (HREC/14/QPAH/465) Human Research Ethics Committee. The ethics approval included a waiver of consent to participate.
: Not applicable.
: TT is an employee with the hospital service at the study site in Queensland.