NEFH and relapsing-remitting multiple sclerosis: We evaluated the concentrations of the parameters of brain injury (NF-H, GFAP, S100B and UCHL1) in the cerebrospinal fluid (CSF) and the selected interleukins (ILs) in serum of 123 relapsing–remitting MS (RRMS) and 88 progressive MS (PMS) patients.