- Correspondence to Dr David J Werring, Stroke Research Group, Department of Brain Repair and Rehabilitation, UCL Institute of Neurology and National Hospital for Neurology and Neurosurgery, Box 6, Queen Square, London WC1N 3BG, UK;
- Received June 3, 2012
- Revised August 13, 2012
- Accepted August 28, 2012
- First published September 28, 2012.
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