Relationship between homocysteine levels and post-stroke cognitive impairment in female and male population: from a prospective multicenter study.

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"Source of Funding Ethics approval and consent to participateThe protocol of the ICONS study was approved by the ethics committee of a hospital (blinded as requested; Institutional Review Board approval number KY2015-001-01) and all participating centers. All participants obtained written informed consent from patients or legally authorized representatives.This work was supported by the grants from National Key R&D Program of China (2016YFC0901002, 2018YFC1312903), National Science and Technology Major Project (2017ZX09304018), Beijing Municipal Science & Technology Commission (D171100003017002, Z181100001818001), National Natural Science Foundation of China (81870821, 81471215, 82071187), and Beijing Youth Talent Team Support Program (2018000021223TD08)."