1 Ist Clinic of Neurology, University of Campania "Luigi Vanvitelli", Naples, Italy; MRI Research Center SUN-FISM, University of Campania "Luigi Vanvitelli", Naples, Italy. Electronic address: luigi.lavorgna@policliniconapoli.it.
2 Ist Clinic of Neurology, University of Campania "Luigi Vanvitelli", Naples, Italy; MRI Research Center SUN-FISM, University of Campania "Luigi Vanvitelli", Naples, Italy.
3 Ist Clinic of Neurology, University of Campania "Luigi Vanvitelli", Naples, Italy; MRI Research Center SUN-FISM, University of Campania "Luigi Vanvitelli", Naples, Italy; Institute for Diagnosis and Care ''Hermitage Capodimonte'', Naples, Italy.