1. Emergency and Trauma CentreAlfred Hospital Melbourne Victoria Australia
2. School of Public Health and Preventive MedicineMonash University Melbourne Victoria Australia
3. Department of Obstetrics and GynaecologyWestern Health Melbourne Victoria Australia
4. Emergency DepartmentSt Vincent's Hospital Melbourne Victoria Australia
5. Department of Obstetrics and GynaecologyCairns Hospital Cairns Queensland Australia
6. College of Medicine and Dentistry, James Cook University Cairns Queensland Australia
7. Trauma UnitAlfred Hospital Melbourne Victoria Australia
8. Emergency DepartmentMonash Medical Centre Melbourne Victoria Australia