1. State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China
2. Department of Nasopharyngeal Carcinoma, Sun Yat-Sen University Cancer Center, Guangzhou, China
3. Department of Pathology, Sun Yat-Sen University Cancer Center, Guangzhou, China
4. Department of Medical Oncology, Sun Yat-Sen University Cancer Center, Guangzhou, China