Corrigendum: Downregulation of HMGA1 Mediates Autophagy and Inhibits Migration and Invasion in Bladder Cancer via miRNA-221/TP53INP1/p-ERK Axis - Liu, Xiaoqiang; Zhou, Zhengtao; Wang, Yibing; Zhu, Ke; Deng, Wen; Li, Yulei; Zhou, Xiaochen; Chen, Luyao; Li, Yu; Xie, An; Zeng, Tao; Wang, Gongxian; et al. (Frontiers in Oncology, 2020)