1. Department of Radiation Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, People's Republic of China
2. Department of Oncology, Cancer Center, Tongji Hospital Affiliated to Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
3. Department of Radiation Oncology, The First People's Hospital of Foshan, Foshan, China
4. Department of Radiation Oncology, Guangxi Medical University Cancer Hospital, Nanning, China
5. Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
6. Department of Head and Neck Oncology, Affiliated Cancer Hospital of Guizhou Medical University, Guiyang, China
7. Department of Radiation Oncology, XiJing Hospital of Air Force Medical University, Xi'an, China
8. The Cancer Center of the Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
9. Department of Head and Neck Oncology, The Cancer Center of the Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
10. Department of Radiation Oncology, The Second Affiliated Hospital of Soochow University, Suzhou, China
11. Department of Radiation Oncology, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, China
12. Department of Radiation Oncology, Peking University Cancer Hospital, Beijing, China
13. Department of Radiation Oncology, Jiangxi Cancer Hospital, Nanchang, China
14. Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou, China
15. Clinical Trials Center, Sun Yat-sen University Cancer Center, Guangzhou, China
16. Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, Guangzhou, China