From the Department of Neurology (G.D.C., V.M., F.S., L.M., B.C., M.R., G.C.), Experimental Neurophysiology Research Unit (L.L.), and Neuroimmunology Research Unit (R.F.), San Raffaele Hospital, Milan, Italy. [Email]
To assess the prognostic role of serum neurofilament light chains (NfL) for clinically defined multiple sclerosis (CDMS) and McDonald 2017 multiple sclerosis (MS) in patients with clinically isolated syndromes (CIS).