[1] Fac Med Timone, INSERM, U491, F-13385 Marseille 05, France
[2] Campus Hosp & Univ Timone, Dept Med Genet, Marseille, France
[3] Ctr Hosp Univ Ben Aknoun, Serv Neurol, Algiers, Algeria
[4] Hop La Pitie Salpetriere, Serv Neuropathol, Paris, France
[5] Univ St Joseph, Fac Med, Unite Genet Med, Beirut, Lebanon
[6] Genethon III, Evry, France
[7] Amer Univ Beirut, Med Ctr, Beirut, Lebanon