1. Department of Medical Epidemiology and Biostatistics and
2. Center for Health Sciences, Exponent, Inc., Menlo Park, CA
3. Stanford Cancer Institute, Stanford, CA
4. Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, China
5. Department of Cancer Prevention Center and
6. State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
7. Department of Clinical Laboratory, Wuzhou Red Cross Hospital, Wuzhou, China
8. Wuzhou Health System Key Laboratory for Nasopharyngeal Carcinoma Etiology and Molecular Mechanism, Wuzhou, China
9. Department of Otolaryngology-Head & Neck Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, China
10. Key Laboratory of High-Incidence-Tumor Prevention & Treatment (Guangxi Medical University), Ministry of Education, Nanning, China
11. State Key Laboratory for Infectious Diseases Prevention and Control, Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
12. Sihui Cancer Institute, Sihui, China
13. Cangwu Institute for Nasopharyngeal Carcinoma Control and Prevention, Wuzhou, China
14. Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
15. Department of Epidemiology, Harvard TH Chan School of Public Health, Boston, MA
16. Beijing Hospital, Beijing, China