NEFL and Alzheimer disease: The remaining 32 met acceptable biotemporal stability criteria (CV < 15%), including the four core AD markers (tTau, Aβ1–38, Aβ1–40, and Aβ1–42), the two remaining neurodegenerative markers (NfL and FABP3), and the five metabolic markers (24-OHC, adiponectin, leptin, soluble IR, and 8-OHdG).