[1] CHU Robert Debre, APHP, Serv Neurol Pediat & Malad Metab, Paris, France
[2] CHRU Lille, Serv Neurol Pediat, Lille, France
[3] CHRU Lille, Serv Genet Clin, Lille, France
[4] CHRU Lille, Serv Neurophysiol Clin, Lille, France
[5] CHRU, Hop Jeanne Flandre, Med Genet Lab, Lille, France