1. 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 510060 P. R. China
2. Department of Biochemistry and Molecular Biology Zhongshan School of Medicine Sun Yat‐sen University Guangzhou 510080 P. R. China
3. RNA Biomedical Institute Sun Yat‐sen Memorial Hospital Sun Yat‐sen University Guangzhou 510120 P. R. China
4. Department of Experimental Research Sun Yat‐sen University Cancer Center Guangzhou 510060 P. R. China
5. Department of Medical Oncology National Cancer Centre of Singapore Singapore 169610 Singapore