Corrigendum: Acute Administration of Metformin Protects Against Neuronal Apoptosis Induced by Cerebral Ischemia-Reperfusion Injury via Regulation of the AMPK/CREB/BDNF Pathway - Ke Liu; Lulu Li; Zhijun Liu; Gang Li; Yanqing Wu; Xingjun Jiang; Mengdie Wang; Yanmin Chang; Tingting Jiang; Jianheng Luo; Jiahui Zhu; Hongge Li; et al. (Frontiers Media S.A., 2022)