GFAP and NfL as predictors of disease progression and relapse activity in fingolimod-treated multiple sclerosis. - Maceski, Aleksandra Maleska; Benkert, Pascal; Einsiedler, Maximilian; Schaedelin, Sabine; Oechtering, Johanna; Melie-Garcia, Lester; Cagol, Alessandro; Galbusera, Riccardo; Galli, Edoardo; Müller, Jannis (Brain: A Journal of Neurology, 2026)