[1] Rouen Univ Hosp, Dept Paediat, F-76230 Rouen, France
[2] Rouen Univ Hosp, Dept Neurol, F-76230 Rouen, France
[3] Rouen Univ Hosp, Dept Neurophysiol, F-76230 Rouen, France
[4] Groupement Hosp Univ Nord, Dept Genet, AP HP, Grp Hosp Lariboisiere Fernand Widal, Paris, France