1. Istituto Nazionale di Riposo e Cura dell’Anziano a carattere scientifico, IRCSS-INRCA, Ancona, Italy
2. Section of Neurology, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
3. UOC Neurologia, Ospedale Sant’Eugenio, Rome, Italy
4. Department of Neuroscience, Università Cattolica Sacro Cuore, Rome, Italy
5. Neurologia, Fondazione Policlinico Universitario Agostino Gemelli, IRCCS, Rome, Italy