Corrigendum: Radiomic-Based Quantitative CT Analysis of Pure Ground-Glass Nodules to Predict the Invasiveness of Lung Adenocarcinoma - Xu, Fangyi; Zhu, Wenchao; Shen, Yao; Wang, Jian; Xu, Rui; Outesh, Chooah; Song, Lijiang; Gan, Yi; Pu, Cailing; Hu, Hongjie (Frontiers in Oncology, 2020)