1. Senior Lecturer in Paramedic Science; School of Health and Social Care, University of Lincoln, UK
2. Paramedic, Yorkshire Ambulance Service, UK
3. Paramedic, London Ambulance Service, UK
4. Senior Lecturer in Paramedic Science, School of Health and Social Care, University of Lincoln; Paramedic Research Fellow, Clinical Audit and Research Unit, East Midlands Ambulance Service NHS Trust, Nottingham, UK