Corrigendum: Differential Expression Analysis Revealing CLCA1 to Be a Prognostic and Diagnostic Biomarker for Colorectal Cancer - Wei, Fang-Ze; Mei, Shi-Wen; Wang, Zhi-Jie; Chen, Jia-Nan; Shen, Hai-Yu; Zhao, Fu-Qiang; Li, Juan; Liu, Zheng; Liu, Qian (Frontiers in Oncology, 2020)