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Contributor Information
Elizabeth A Davies, Clinical Research Fellow, Department of Neurological Services, St Bartholomew’s Hospital, London.
S M Hall, Research Assistant, Department of Neurological Services, St Bartholomew’s Hospital, London.
C R A Clarke, Consultant Neurologist, National Hospital for Neurology and Neurosurgery, London.
M P Bannon, Research Assistant, Department of Neurological Services, St Bartholomew’s Hospital, London.
A P Hopkins, Former Director, Research Unit, Royal College of Physicians of London.