1. Department of Emergency Medicine Gold Coast University Hospital Gold Coast Queensland Australia
2. Department of Anaesthesia Lismore Base Hospital Lismore New South Wales Australia
3. Department of Acute Care Medicine Fiona Stanley Hospital Perth Western Australia Australia
4. School of Medicine and Dentistry Griffith University Gold Coast Queensland Australia
5. Faculty of Health Sciences and Medicine, Bond University Gold Coast Queensland Australia
6. Sonography Innovation and Research Group Gold Coast Queensland Australia
7. Child Health Research Centre The University of Queensland Brisbane Queensland Australia