Corrigendum: Impact of Magnetic Field on Dose Distribution in MR-Guided Radiotherapy of Head and Neck Cancer - Xia, Wenlong; Zhang, Ke; Li, Minghui; Tian, Yuan; Men, Kuo; Wang, Jingbo; Yi, Junlin; Li, Yexiong; Dai, Jianrong (Frontiers in Oncology, 2020)