1. Department of Neurosciences, Reproductive and Odontostomatological Sciences University of Naples Federico II Naples Italy
2. Second Division of Neurology Multiple Sclerosis Center University of Campania Luigi Vanvitelli Naples Italy
3. MS Center S. Andrea Hospital Sapienza University Rome Italy
4. Neurology Unit IRCCS San Raffaele Scientific Institute Milan Italy
5. Department of Neuroscience, Rehabilitation, Ophthalmology Genetics, Maternal and Child Health (DINOGMI) University of Genoa Genoa Italy
6. Ospedale Policlinico San Martino IRCCS Genoa Italy
7. Neuroimaging Research Unit Division of Neuroscience Institute of Experimental Neurology IRCCS San Raffaele Scientific Institute Milan Italy
8. Neurophysiology Unit IRCCS San Raffaele Scientific Institute Milan Italy
9. Vita‐Salute San Raffaele University Milan Italy