Corrigendum: Regulatory Role of Hexokinase 2 in Modulating Head and Neck Tumorigenesis - Li, Wan-Chun; Huang, Chien-Hsiang; Hsieh, Yi-Ta; Chen, Tsai-Ying; Cheng, Li-Hao; Chen, Chang-Yi; Liu, Chung-Ji; Chen, Hsin-Ming; Huang, Chien-Ling; Lo, Jeng-Fan; Chang, Kuo-Wei (Frontiers in Oncology, 2020)