1. Department of Basic Medical Sciences, Neurosciences and Sense Organs, University of Bari “Aldo Moro,” Bari, Italy
2. Department of Basic Medical Sciences, Neurosciences and Sense Organs, University of Bari “Aldo Moro,” Bari, Italy/Center for Outcomes Research and Clinical Epidemiology, Pescara, Italy
3. Dipartimento di Scienze Mediche e Chirurgiche e Tecnologie Avanzate, GF Ingrassia, Sez. Neuroscienze, Centro Sclerosi Multipla, Università di Catania, Catania, Italy
4. Multiple Sclerosis Clinical Care and Research Center, Department of Neuroscience (NSRO), Federico II University, Naples, Italy
5. Centro Sclerosi Multipla, Clinica Neurologica, Policlinico SS Annunziata, Università G. D’Annunzio, Chieti, Italy
6. IRCCS Istituto delle Scienze Neurologiche di Bologna, Riabilitazione Sclerosi Multipla, Bologna, Italy/Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna, Bologna, Italy
7. Multiple Sclerosis Center, S.Antonio Abate Hospital, Gallarate, Italy
8. Dipartimento Di Neuroscienze, Riabilitazione, Oftalmologia, Genetica E Scienze Materno—Infantili (DINOGMI), Genova, Italy/Ospedale Policlinico San Martino, IRCCS, Genova, Italy
9. Department of Biomedicine, Neuroscience and Advanced Diagnostics, University of Palermo, Palermo, Italy
10. Department Medical Science and Public health, University of Cagliari/ Centro Sclerosi Multipla, ATS Sardegna, Cagliari, Italy
11. Department of Human Neurosciences, Sapienza University of Rome, Rome, Italy/IRCCS Istituto Neurologico Mediterraneo (INM) Neuromed, Pozzilli, Italy
12. Department of Neurosciences, Neurology Unit, University of Modena and Reggio Emilia, Nuovo Ospedale Civile S. Agostino/Estense, Modena, Italy
13. Centro Sclerosi Multipla—Azienda Ospedaliera S. Camillo Forlanini, Rome, Italy
14. IRCCS Mondino Foundation, Pavia, Italy
15. Multiple Sclerosis Center, S.Andrea Hospital, Dept. of Human Neuroscience, Sapienza University, Rome, Italy
16. IRCCS Istituto Neurologico Mediterraneo (INM) Neuromed, Pozzilli, Italy/CENTERS Centro Neurologico Terapie Sperimentali—Sapienza University, S.Andrea Hospital, Rome, Italy
17. Multiple Sclerosis Center, II Division of Neurology, Department of Clinical and Experimental Medicine, Second University of Naples, Caserta, Italy
18. Multiple Sclerosis Center, IRCCS Fondazione don Carlo Gnocchi ONLUS, Milan, Italy
19. Centro regionale SM Ospedale A. Cardarelli, Napoli, Italy
20. UOC Neurologia Macerata Area Vasta 3, Asur Marche, Macerata, Italy
21. Roche SpA, Monza, Italy
22. Department of Neurology, Vita-Salute San Raffaele University, San Raffaele Scientific Institute, Milan, Italy
23. Department of Neurofarba, University of Florence, Florence, Italy/IRCCS Fondazione Don Carlo Gnocchi, Florence, Italy