[1] University of Palermo,Institute of Neuropsychiatry
[2] National Research Council,Institute of Neurological Sciences
[3] 2nd University of Naples,Dept. of Neurological Sciences
[4] University of Rome “Tor Vergata”,Cattedra di Neurologia and I.R.C.C.S., Fondazione “S. Lucia”
[5] University “Gabriele d’Annunzio”,Dept. of Oncology & Neurosciences
[6] University of Messina,Dept. of Neurosciences, Psychiatry & Anesthesiology
[7] University of Catania,Dept. of Neurological Sciences
[8] University of Bari,Dept. of Neurological & Psychiatric Sciences
[9] University Magna Graecia,Institute of Neurology
[10] Policlinico Mater Domini,Clinica Neurologica