[1] Bicetre Hosp, Pediat Neurol Dept, Le Kremlin Bicetre, France
[2] Bicetre Hosp, Clin Immunol Lab, Le Kremlin Bicetre, France
[3] Hosp Civils Lyon HCL, Inst MELIS, Inserm, CNRS,UMR 5284,U1314, Lyon, France
[4] Hosp Ctr Univ De Lille, Dept Pediat Neurol, Lille, France
[5] Hop Civil, Dept Neuropediat, ERN EpiCare, Strasbourg, France
[6] Hop Necker Enfants Malad, Pediat Neurol Dept, Paris, France