NEFL and Stroke: The reported [23,24,25,26,27,28] median levels of NfL in blood samples obtained between 24 h and 3 months post-stroke range from 39 pg/mL [26] to 210 pg/mL of serum [24] as compared to 19 pg/mL and 32 pg/mL, respectively, in age-matched controls in those studies.