APOE and cerebral microbleeds: ADL: Activities of daily living; CMBs: Cerebral microbleeds; cSAH: Convexity subarachnoid hemorrhage; cSS: Cortical superficial siderosis; ICH: Intracerebral hemorrhage; MMSE: Mini-mental state examination; SWI: Susceptibility-weighted imaging; TUG: Timed up and go test; CAA: Cerebral amyloid angiopathy; APOE: Apolipoprotein E