1. Nuffield Department of Clinical Neurosciences, University of Oxford, John Radcliffe Hospital, Oxford, England
2. The Townsville Hospital, Queensland, Australia
3. University of Nottingham, Nottingham, England
4. Barts and The London School of Medicine and Dentistry, London, England
5. South Eastern Health and Social Care Trust, Belfast, Northern Ireland
6. Belfast Trust, Belfast, Northern Ireland
7. Imperial College London, London, England
8. Cardiff University, Cardiff, Wales
9. University of St Andrews, St Andrews, Scotland