- Correspondence to Dr Ros Quinlivan, MRC Centre for Neuromuscular Disease, National Hospital for Neurology and Neurosurgery, Queen Square, London WC1N 3BG, UK; Dubowitz Neuomuscular Centre, Great Ormond Street Hospital, London WC1;
- Received August 22, 2014
- Revised September 22, 2014
- Accepted September 26, 2014
- First published November 13, 2014.
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