1. Stroke Trials Unit, Division of Stroke, University of Nottingham, City Hospital Campus, Hucknall Road, Nottingham NG5 1PB, UK
2. Department of Neurology, Nottingham University Hospitals NHS Trust, Nottingham, UK
3. East Midlands Ambulance Service NHS Trust, Nottingham, UK
4. School of Nursing, Midwifery, and Physiotherapy, University of Nottingham, Nottingham, UK
5. School of Health and Social Care, University of Lincoln, Lincoln, UK