- Correspondence to Dr J Chataway, Department of Neuroinflammation, Queen Square Multiple Sclerosis Centre, National Hospital for Neurology & Neurosurgery and University College London Institute of Neurology, Queen Square, London WC1N 3BG, UK;
- Received September 19, 2013
- Revised November 4, 2013
- Accepted November 19, 2013
- First published December 19, 2013.
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