Corrigendum: Heparin binding epidermal growth factor–like growth factor is a prognostic marker correlated with levels of macrophages infiltrated in lung adenocarcinoma - Van Hiep, Nguyen; Sun, Wei-Lun; Feng, Po-Hao; Lin, Cheng-Wei; Chen, Kuan-Yuan; Luo, Ching-Shan; Dung, Le Ngoc; Van Quyet, Hoang; Wu, Sheng-Ming; Lee, Kang-Yun (Frontiers in Oncology, 2022)