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Schedule of recruitment, intervention, and assessment. Abbreviation: ADAS-cog, Alzheimer’s disease assessment scale-cognitive subscale; MMSE, Mini-Mental State Examination; NPI, Neuropsychiatric Inventory; GDS, Geriatric Depression Scale; BI, Barthel Index; fMRI, functional magnetic resonance imaging; FA, formaldehyde; FDH, formaldehyde dehydrogenase; Aβ, β-amyloid peptides; p-tau, phosphorylated tau protein.
