1 Consultant and Senior Honorary Lecturer, SAPPHIRE Group, Health Sciences, University of Leicester, Paediatric Emergency Medicine Leicester Academic Group (PEMLA), Emergency Department, Leicester Royal Infirmary, Leicester LE1 5WW
2 Consultant in Adult and Paediatric Emergency Medicine/Consultant and Senior Honorary Lecturer Emergency Department Central Manchester University Hospitals NHS Foundation Trust Manchester Royal Infirmary Manchester
3 Professor of Emergency Medicine Manchester Metropolitan University Manchester
4 Consultant and Senior Research Fellow in Paediatric Emergency Medicine Emergency Department Bristol Royal Hospital for Children Bristol Faculty of Health and Life Sciences University of the West of England Bristol