1. Specialty Registrar in Public Health, Office of the Director of Public Health, Plymouth City Council, Plymouth PL6 8DH, UK
2. Consultant in Emergency Medicine, Emergency Department, Derriford Hospital, Plymouth Hospitals NHS Trust, Plymouth PL6 8DH, UK
3. Consultant Paediatrician, Department of Paediatrics, Derriford Hospital, Plymouth Hospitals NHS Trust, Plymouth PL6 8DH, UK