1. Clinical Trials Unit, Warwick Medical School, University of Warwick, Coventry CV4 7AL, UK
2. Heart of England NHS Foundation Trust, Bordesley Green East, Birmingham B9 5SS, UK
3. Institute of Digital Healthcare, WMG, University of Warwick, Coventry CV4 7AL, UK
4. London Ambulance Service NHS Trust, 18-20 Pocock Street, London SE1 0BW, UK
5. Imperial College, Neurotrauma Centre, St Mary’s Hospital, Praed Street, London W2 1NY, UK