1. School of Public Health and Social Work; Queensland University of Technology; Brisbane; Queensland; Australia
2. Wesley Emergency Department; Uniting Health Care, Wesley Hospital; Brisbane; Queensland; Australia
3. Emergency Centre; Greenslopes Private Hospital; Brisbane; Queensland; Australia
4. St Andrew's War Memorial Hospital; Uniting Healthcare; Brisbane; Queensland; Australia
5. Epworth Healthcare; Melbourne; Victoria; Australia
6. Emergency Department; Mater Private Hospital; Brisbane; Queensland; Australia