[1] Hop La Pitie Salpetriere, Pole Epileptol Clin, INSERM, U679, F-75651 Paris 13, France
[2] Hop La Pitie Salpetriere, Lab Neuropathol R Escourolle, Paris, France
[3] Hop La Pitie Salpetriere, Dept Genet Cytogenet & Embryol, Paris, France
[4] Hop La Pitie Salpetriere, Federat Neurol, Paris, France
[5] Ctr Hosp Intercommunal, Med Serv, Creteil, France
[6] Univ Zurich, Inst Biochem, Zurich, Switzerland