Document is current

Article History

Received: 16 August 2021

Revised: 27 September 2021

Accepted: 28 September 2021

First Online: 7 October 2021

Declarations

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: P. Preziosa received speaker honoraria from Biogen, Novartis, Merck Serono, Bristol Myers Squibb and ExceMED. He is supported by a senior research fellowship FISM – Fondazione Italiana Sclerosi Multipla—cod. 2019/BS/009 and financed or co-financed with the ‘5 per mille’ public funding. L. Conti has nothing to disclose. M.A. Rocca received speaker honoraria from Bayer, Biogen, Bristol Myers Squibb, Celgene, Genzyme, Merck Serono, Novartis, Roche, and Teva, and receives research support from the MS Society of Canada and Fondazione Italiana Sclerosi Multipla. M. Filippi is Editor-in-Chief of the <i>Journal of Neurology</i> and Associate Editor of <i>Human Brain Mapping, Radiology</i>, and <i>Neurologcial Sciences</i>, received compensation for consulting services and/or speaking activities from Almiral, Alexion, Bayer, Biogen, Celgene, Eli Lilly, Genzyme, Merck-Serono, Novartis, Roche, Sanofi, Takeda, and Teva Pharmaceutical Industries, and receives research support from Biogen Idec, Merck-Serono, Novartis, Roche, Teva Pharmaceutical Industries, Italian Ministry of Health, Fondazione Italiana Sclerosi Multipla, and ARiSLA (Fondazione Italiana di Ricerca per la SLA).