Corrigendum: A Weighted Gene Co-Expression Network Analysis–Derived Prognostic Model for Predicting Prognosis and Immune Infiltration in Gastric Cancer - Chen, Qingchuan; Tan, Yuen; Zhang, Chao; Zhang, Zhe; Pan, Siwei; An, Wen; Xu, Huimian (Frontiers in Oncology, 2021)