1. Warwick Clinical Trials Unit Warwick Medical School University of Warwick Coventry United Kingdom
2. Clinical Audit and Research London Ambulance Service NHS Trust London United Kingdom
3. School of Health and Social Care University of Lincoln United Kingdom
4. Strategy and International Affairs British Heart Foundation London United Kingdom
5. Healthcare Innovation Directorate British Heart Foundation London United Kingdom
6. Research and Development Department South East Coast Ambulance Service NHS Foundation Trust Crawley United Kingdom
7. School of Health and Social Work;University of Hertfordshire Hatfield United Kingdom
8. Welsh Ambulance Service NHS Trust Research and Innovation Institute of Life Science Swansea University Wales United Kingdom
9. Intensive Care Medicine University Hospitals Birmingham NHS Foundation Trust Birmingham United Kingdom