Flowchart describing the participants excluded in the current study. From the original 1666 cases, 779 were excluded. APOE ∊4 indicates apolipoprotein ∊4 allele; bvFTD/AD, clinical behavioral variant frontotemporal dementia with Alzheimer disease pathology; bvFTD/FTLD, clinical behavioral variant frontotemporal dementia with frontotemporal lobar degeneration neuropathology; CDR, Clinical Dementia Rating Scale; DAT/AD, clinical dementia of the Alzheimer type with Alzheimer disease neuropathology; DAT/FTLD, clinical DAT with frontotemporal lobar degeneration neuropathology.