- Correspondence to Dr Fanny Mochel, Institut du Cerveau et de la Moelle épinière, Aile 4A, Groupe Hospitalier Pitié-Salpétrière, Paris 75013, France;
- Received July 2, 2015
- Revised September 29, 2015
- Accepted October 14, 2015
- First published November 3, 2015.
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- Data supplement 1 - Online supplement
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