1. Department of Nasopharyngeal Carcinoma, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, China
2. Department of Radiation Oncology, Center for Cancer Prevention and Treatment, Meizhou People’s Hospital, Meizhou Academy of Medical Sciences, Meizhou, China
3. Department of Ultrasound, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
4. Department of Radiation Oncology, Sun Yat-sen Memorial Hospital, Guangzhou, China
5. Clinical Research Design Division, Sun Yat-sen Memorial Hospital, Guangzhou, China
6. Department of Radiation Oncology, Nanhai People’s Hospital, the Sixth Affiliated Hospital of South China University of Technology, Foshan, China
7. Department of Radiation Oncology, Guangzhou Concord Cancer Center, Guangzhou, China
8. Department of Medical Oncology, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, China
9. Department of Medical Imaging, Sun Yat-sen University Cancer Center, the State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Guangzhou, China