AUTHOR=Zhao Lihua , Teng Jinlong , Mai Wei , Su Jiahui , Yu Bihan , Nong Xiucheng , Li Chong , Wei Yichen , Duan Gaoxiong , Deng Xiangming , Deng Demao , Chen Shangjie TITLE=Corrigendum: A Pilot Study on the Cutoff Value of Related Brain Metabolite in Chinese Elderly Patients With Mild Cognitive Impairment Using MRS JOURNAL=Frontiers in Aging Neuroscience VOLUME=13 YEAR=2021 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2021.759482 DOI=10.3389/fnagi.2021.759482 ISSN=1663-4365