1. Consultant Physician, Tower Hamlets Healthcare Trust, London, UK
2. MSc Programme Co‐ordinator for Stroke, Clinical Effectiveness and Evaluation Unit, Royal College of Physicians, London, UK
3. Senior Lecturer in Medical Statistics, Department of Primary Care and Population Sciences, Royal Free and University College Medical School, London, UK
4. Chairman, Royal College of Pysicians Intercollegiate Stroke working Party and Consultant Stroke Physician, Guys and St Thomas' Hospital, London, UK
5. Director, Clinical Effectiveness and Evaluation Unit, Royal College of Physicians and Consultant Chest Physician, Aintree Hospital, Liverpool, UK, on behalf of the Intercollegiate Working Party for Stroke