Chinese Academy of Medical Sciences - National Clinical Research Center for Cancer, Huazhong University of Science and Technology - Union Hospital, First Medical Center of Chinese PLA General Hospital, Government of the People's Republic of China - Beijing Hospital, Anhui Provincial Hospital, Fujian Medical University - Department of Radiation Oncology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Peking Union Medical College Hospital, Hebei Medical University - Fourth Hospital, Nanchang University - Second Affiliated Hospital, Chinese Academy of Sciences (CAS) - Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Shanxi Cancer Hospital, Fujian Provincial Cancer Hospital, Guizhou Medical University (Guiyang Medical University) - Affiliated Hospital, Central South University - Hunan Cancer Hospital, Government of the People's Republic of China - Xijing Hospital, Tianjin Medical University - Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University - Key Laboratory of Cancer Prevention and Therapy, Government of the People's Republic of China - Fifth Medical Center of Chinese PLA General Hospital, Peking University - Key Laboratory of Carcinogenesis and Translational Research, Peking University - Key Laboratory of Carcinogenesis and Translational Research, Sun Yat-sen University (SYSU) - State Key Laboratory of Oncology in South China, Sun Yat-sen University (SYSU) - State Key Laboratory of Oncology in South China, Chongqing University Cancer Hospital, Qinghai University - Qinghai University Affiliated Hospital, Qinghai University - Qinghai University Affiliated Hospital, Nanjing Medical University - Jiangsu Cancer Hospital, Soochow University - Department of Radiation Oncology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Department of Radiation Oncology and Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Department of Radiation Oncology