1. State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
2. Department of Nasopharyngeal Carcinoma, Sun Yat-Sen University Cancer Center, Guangzhou, China
3. Medical Research Center and Clinical Laboratory, Zhuhai Hospital, Jinan University, Zhuhai People's Hospital, Zhuhai, China
4. Department of Biostatistics and Epidemiology, School of Public Health, Sun Yat-Sen University, Guangzhou, China