Corrigendum: Autophagy Blockade by Ai Du Qing Formula Promotes Chemosensitivity of Breast Cancer Stem Cells Via GRP78/β-Catenin/ABCG2 Axis - Liao, Mianmian; Wang, Caiwei; Yang, Bowen; Huang, Danping; Zheng, Yifeng; Wang, Shengqi; Wang, Xuan; Zhang, Juping; Tang, Chunbian; Xu, Zheng; He, Yu; Huang, Ruolin; et al. (Frontiers in Pharmacology, 2022)