1. IRCCS Ospedale Policlinico San Martino, Genoa, Italy
2. Centro regionale per la diagnosi e la cura della Sclerosi Multipla, ASL Cagliari, Cagliari, Italy
3. Department of Medical Sciences and Public Health, Università degli studi di Cagliari, Cagliari, Italy
4. Department of Human Neurosciences, Sapienza University of Rome, Rome, Italy
5. Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples Federico II, Naples, Italy
6. MS Center, Tor Vergata University of Rome, Rome, Italy
7. Division of Neurology, Department of Neuroscience and Mental Health, City of Health and Science, University Hospital of Torino, Turin, Italy
8. Multiple Sclerosis Center, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
9. Centro di Ricerca per la Sclerosi Multipla “Anna Paola Batocchi,” Università Cattolica del Sacro Cuore, Rome, Italy
10. Neuroimmunology and Neuromuscular Diseases Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milano, Italy
11. Neuroimmunology, Neurological Unit, Cerebrovascular Department, Center for Multiple Sclerosis, ASST Crema, Crema, Italy
12. Multiple Sclerosis Center, Neurology Department, IRCCS San Raffaele Hospital, Milan, Italy
13. Centro Sclerosi Multipla, Ospedale di Gallarate—ASST della Valle Olona, Gallarate, Italy
14. U.O. Neurologia, ASST Rhodense, Garbagnate Milanese, Italy
15. IRCCS Istituto delle scienze neurologiche di Bologna, UOSI Riabilitazione Sclerosi Multipla Bologna, Bologna, Italy
16. Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), University of Genoa, Genoa, Italy