Chinese Academy of Medical Sciences - National Cancer Center, affiliation not provided to SSRN, Jilin Cancer Hospital, affiliation not provided to SSRN, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Department of Radiation Oncology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Department of Radiation Oncology, Tianjin Medical University - Tianjin Medical University Cancer Institute and Hospital, Sun Yat-sen University (SYSU), Central South University - Department of Oncology, Government of the People's Republic of China - Xijing Hospital, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Department of Radiation Oncology, affiliation not provided to SSRN, 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

Chinese Academy of Medical Sciences - National Cancer Center, affiliation not provided to SSRN, Jilin Cancer Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Department of Radiation Oncology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Department of Radiation Oncology, Tianjin Medical University - Tianjin Medical University Cancer Institute and Hospital, Sun Yat-sen University (SYSU), Central South University - Department of Oncology, Government of the People's Republic of China - Xijing Hospital, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Department of Radiation Oncology, affiliation not provided to SSRN, 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