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Article History

Received: 3 January 2022

Accepted: 2 May 2022

First Online: 18 May 2022

Declarations

:

: All procedures performed in the studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

: Informed consent was obtained from all individual participants included in the study.

: <b>J. Sastre-Garriga</b> declares grants and personal fees from Genzyme; personal fees from Almirall, Biogen, Celgene, Merck, Novartis, Roche and Teva; and is a member of the Editorial Committee of Multiple Sclerosis Journal and Director of the Scientific Committee of Revista de Neurologia. <b>M.A. Clarke</b> declares personal fees from Novartis and received 2018 ECTRIMS-MAGNIMS fellowship. <b>G. Arrambide</b> has received compensation for consulting services or participation in advisory boards from Sanofi and Merck; research support from Novartis; travel expenses for scientific meetings from Novartis and Roche; and speaking honoraria from Stendhal, Sanofi, and Merck. <b>A. Rovira</b> serves on scientific advisory boards for Novartis, Sanofi-Genzyme, Synthetic MR, Roche, Biogen, and OLEA Medical, and has received speaker honoraria from Sanofi-Genzyme, Bracco, Merck-Serono, Teva Pharmaceutical Industries Ltd, Novartis, Roche, and Biogen<b>. F.X. Aymerich, C. Auger</b>, <b>J. Alonso</b>, <b>A. Barros</b>, <b>J. Mora</b>, <b>A. Andrino</b>, and <b>J.F. Corral</b> have nothing to disclose.