[1] McGill Univ, Montreal Neurol Inst & Hosp, Ctr Neuronal Survival, Montreal, PQ, Canada
[2] Fdn IRCCS Ist Neurol Carlo Besta, Dept Neurosurg, Milan, Italy
[3] Univ Padua, Dept Neurosurg, Treviso Hosp, Padua, Italy
[4] McGill Univ, Dept Pathol, Montreal, PQ, Canada
[5] McGill Univ, Montreal Neurol Inst & Hosp, Brain Tumour Res Ctr, Montreal, PQ, Canada
[6] Univ Padua, Dept Pathol, Treviso Hosp, I-35100 Padua, Italy
[7] Inst Genet & Biophys ABT, Naples, Italy
[8] Univ Calgary, Dept Cell Biol & Anat, Hotchkiss Brain Inst, Calgary, AB, Canada