[This corrects the article DOI: 10.3389/fnut.2021.691837.].
Keywords: Mini-Mental State Exam; age; cognitive impairment; homocysteine; ischemic stroke.
Copyright © 2021 Zhou, Chen, Cheng, Fan, Xu, Ren, Chen, Geng, Cheng, Luan, Song, Lin, Huang and He.