1. Neuroimmunology Unit, Institute of Neurology, Queen Square, London WC1N 3BG
2. Department of Clinical Biochemistry, The National Hospital for Neurology and Neurosurgery, Queen Square, London WC1N 3BG
3. Department of Neuroimmunology, The National Hospital for Neurology and Neurosurgery, Queen Square, London WC1N 3BG, Neuroimmunology Unit, Institute of Neurology, Queen Square, London WC1N 3BG