Corrigendum: Selenomethionine Improves Mitochondrial Function by Upregulating Mitochondrial Selenoprotein in a Model of Alzheimer's Disease - Chen, Chen; Chen, Yao; Zhang, Zhong-Hao; Jia, Shi-Zheng; Chen, Yu-Bin; Huang, Shao-Ling; Xu, Xin-Wen; Song, Guo-Li (Frontiers in Aging Neuroscience, 2021)