Francesco Brigo1,2, Francesco Caglioti3. 1. Division of Neurology, "Franz Tappeiner" Hospital, Merano, Bolzano, Italy. dr.francescobrigo@gmail.com. 2. Department of Neuroscience, Biomedicine and Movement Science, University of Verona, Piazzale L.A. Scuro, 10, 37134, Verona, Italy. dr.francescobrigo@gmail.com. 3. Classe di Lettere e Filosofia, Scuola Normale Superiore, Piazza dei Cavalieri, 7, Pisa, 56126, Italy.