1. Acute Stroke Programme, Nuffield Department of Clinical Medicine, John Radcliffe Hospital, Headington, Oxford, United Kingdom.
2. Department of Neurology, University of Heidelberg, Heidelberg, Germany.
3. Department of Physiology, Anatomy and Genetics, Sherrington Building, Oxford, United Kingdom.
4. Department of Chemistry, Oxford, United Kingdom.
5. Nuffield Department of Anaesthetics, John Radcliffe Hospital, Headington, Oxford, United Kingdom.
6. The Oxford Centre for Integrative Systems Biology, Department of Biochemistry, Oxford, United Kingdom.