1. Department of Neuroscience, Psychology, Drug Research and Child Health, University of Florence, Italy
2. Neurology Unit and Human TSE Regional Center, ASL TO2 Maria Vittoria Hospital, Turin, Italy
3. UOC Neurologia, ASMN-IRRCS Reggio Emilia, Italy
4. IRCCS Don Gnocchi, Florence, Italy
5. ASO Neurologia, Azienda Ospedaliera S. Croce e Carle, Cuneo, Italy