- Correspondence to Dr N Deconinck, Department of Neurology, Hôpital Universitaire des Enfants Reine Fabiola, Université Libre de Bruxelles, Av. J.J. Crocq 15, Brussels 1020, Belgium;
- Received November 15, 2013
- Revised September 29, 2014
- Accepted December 3, 2014
- First published December 22, 2014.
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