Corrigendum: LncRNA FOXP4-AS1 promotes the progression of esophageal squamous cell carcinoma by interacting with MLL2/H3K4me3 to upregulate FOXP4 - Niu, Yunfeng; Wang, Gaoyan; Li, Yan; Guo, Wei; Guo, Yanli; Dong, Zhiming (Frontiers in Oncology, 2022)