- John M Dawes: Neural Injury Group, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford OX3 9DU, UK.
- David L Bennett: Neural Injury Group, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford OX3 9DU, UK. Electronic address: david.bennett@ndcn.ox.ac.uk.