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Article History

Received: 12 June 2024

Revised: 29 July 2024

Accepted: 1 August 2024

First Online: 27 August 2024

Declarations

:

: CGC has received grants to attend scientific congresses or speaker honoraria from Biogen, Merck-Serono, Novartis, Roche, Sanofi and Teva. ADP received personal compensation for speaking and consulting from Biogen, Novartis, Roche, Sanofi, Merck Serono and Alexion and has been reimbursed by Merck, Biogen, Sanofi and Roche for attending several conferences. MPA, PI, MI, SLF, AL, GL, NM, SM, IP, RQ, GS, VTC, RT and PV report no competing interests. MF received personal compensation for speaking and consulting from Biogen, Novartis, Roche, Sanofi and Merck Serono. FP has received honoraria for speaking activities from Almirall, Bayer, Biogen, Merck Serono, Novartis, Roche, Sanofi Genzyme and TEVA; he also served as an advisory board member in the following companies: Bayer, Biogen, Merck Serono, Novartis, Roche, Sanofi Genzyme and TEVA; he was also funded by Pfizer and FISM for epidemiological studies; he received grants for congress participation from Almirall, Bayer, Biogen, Merck Serono, Novartis, Roche, Sanofi and TEVA.

: This study protocol was approved by the local Ethical Committee of the University of Catania (Catania 1) and by the Ethical Committee of the participating centers. The study was performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. Informed consent was obtained from all patients.