Corrigendum: Polyphyllin I suppresses the gastric cancer growth by promoting cancer cell ferroptosis - Zheng, Fang; Wang, Yeshu; Zhang, Qunfang; Chen, Qiuyuan; Liang, Chun-ling; Liu, Huazhen; Qiu, Feifei; Chen, Yuchao; Huang, Haiding; Lu, Weihui; Dai, Zhenhua (Frontiers in Pharmacology, 2023)