1 Department of Neurosciences, Drug and Child Health, University of Florence, Viale Gaetano Pieraccini, 6, 50139, Florence, FI, Italy.
2 Tuscany Region Multiple Sclerosis Referral Centre, Neurology 2, University Hospital of Careggi, Florence, Italy.
3 Department of Neurosciences, Drug and Child Health, University of Florence, Viale Gaetano Pieraccini, 6, 50139, Florence, FI, Italy. luca.massacesi@unifi.it.
4 Tuscany Region Multiple Sclerosis Referral Centre, Neurology 2, University Hospital of Careggi, Florence, Italy. luca.massacesi@unifi.it.