[1] Hop Civils Colmar, Dept Neurol, Colmar, France
[2] Toulouse Univ Hosp, Dept Pathol, Toulouse, France
[3] Toulouse Univ Hosp, Dept Neurosurg, Toulouse, France
[4] Toulouse Univ Hosp, Dept Oncopediatry, Toulouse, France
[5] Toulouse Univ Hosp, Dept Genet, Toulouse, France
[6] Toulouse Univ Hosp, Dept Mol Biol, Toulouse, France
[7] INSERM, U1037, Toulouse, France
[8] CHU Montpellier, Hop Guy Chauliac, Dept Neurol, Montpellier, France
[9] Hop Delafontaine, Ctr Hosp St Denis, Dept Neurol, St Denis, Reunion, France