1. From the School of Medicine and Dentistry and Menzies Health Institute Queensland (P.J.S., P.J., R.B., M.D., S.G., G.K., R.S.W.) and the Centre for Applied Health Economics, School of Medicine and Dentistry (J.B.), Griffith University, the Departments of Emergency Medicine (P.J.S., S.G., G.K.) and Orthopaedics (R.B.) and the Children’s Critical Care Unit (S.G.), Gold Coast University Hospital, and the Sonography Innovation and Research (Sonar) Group (P.J.S.), Southport, the Child Health Research Centre,...