- Correspondence to Dr Michael Absoud, Department of Children's Neurosciences, Staircase D South Wing, Evelina Children's Hospital at Guy's & St Thomas’ NHS Foundation Trust, London SE1 7EH,UK;
- Received May 13, 2014
- Revised June 29, 2014
- Accepted July 2, 2014
- First published August 4, 2014.
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