AD	Alzheimer disease
BBB	blood–brain barrier
CBF	cerebral blood flow
CSF	cerebrospinal fluid
CSVD	cerebral small vessel disease
CVD	cerebrovascular disease
ECT	electroconvulsive therapy
GWAS	genome-wide association study
LLD	late-life depression
LOD	late-onset depression
MCI	mild cognitive impairment
MDD	major depressive disorder
MVD	microvascular dysfunction
PSD	poststroke depression
VaD	vascular depression
VDH	vascular depression hypothesis
VEGF	vascular endothelial growth factor
VRF	vascular risk factor
WMH	white matter hyperintensities