1. San Paolo Hospital, Università degli Studi di Milano Department of Health Sciences, , 20142 Milano , Italy
2. Surgical and Dental Sciences, Università degli Studi di Milano Department of Biomedical, , 20133 Milan , Italy
3. Università degli Studi di Milano Department of Pharmaceutical Sciences, , 20133 Milan , Italy
4. Rare and Neurologic Diseases Research , Sanofi, 350 Water St., Cambridge MA 02141 , USA
5. Università degli Studi di Milano Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation, , 20122 Milan , Italy
6. Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Neurology Unit , 20122 Milan , Italy
7. University of Insubria Department of Medicine and Surgery (DMC), , 21100 Varese , Italy