[1] Polish Acad Sci, Neurogenet Lab, Dept Neurodegenerat Disorders, Mossakowski Med Res Ctr, PL-02106 Warsaw, Poland
[2] Med Univ Warsaw, Dept Neurol, Warsaw, Poland
[3] Univ Siena, Dept Neurol Neurosurg & Behav Sci, I-53100 Siena, Italy
[4] Univ Paris 06, Hop La Pitie Salpetriere, Inst Cerveau & Moelle Epiniere, Ctr Rech,INSERM,UMR S975,CNRS,UMR7225, Paris, France
[5] Hop La Pitie Salpetriere, APHP, Ctr Reference Malad Rares SLA, Paris, France