1. Neurometabolic Unit and Synaptic Metabolism Lab (Department of Neurology); Institut Pediàtric de Recerca. Hospital Sant Joan de Déu and CIBERER (ISCIII); Barcelona Spain
2. ; Department of Neurology, Neurometabolic Unit; Hopital Pitié Salpétrière; 47-83 Boulevard de l'Hopital Paris Cedex 13 75651 France