1. Department of Radiotherapy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, P.R. China
2. Institute of Radiation Therapy and Tumor Critical Care of Zhengzhou University, Zhengzhou 450052, P.R. China
3. Henan Key Laboratory of Molecular Radiotherapy, Zhengzhou 450052, P.R. China
4. Comprehensive Hyperthermia Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, P.R. China