1. Section of Neurology; Department of Medicine, University of Perugia; Perugia Italy
2. Health Planning Service, Regional Health Authority of Umbria, Department of Epidemiology; Perugia Italy
3. Neurology Unit; Department of Specialist Medicine, USL Umbria 1 North area, Gubbio and Gualdo Tadino Hospital; Gubbio Italy
4. Oncoproteomics Laboratory; VU University Medical Center; Amsterdam The Netherlands
5. IRCCS Fondazione Santa Lucia; Rome Italy