1. Division of Cancer Epidemiology and Genetics; National Cancer Institute; Rockville MD
2. Division of Epidemiology, Vanderbilt Epidemiology Center; Vanderbilt University School of Medicine; Nashville TN USA
3. Duke-NUS Graduate Medical School Singapore; Singapore
4. Department of Epidemiology; Shanghai Cancer Institute, Shanghai Jiaotong University; Shanghai China
5. Ontario Institute for Cancer Research; Toronto ON Canada
6. Division of Cancer Control and Population Sciences; University of Pittsburgh Cancer Institute; Pittsburgh PA
7. Department of Epidemiology; Graduate School of Public Health, University of Pittsburgh; PA
8. Shanghai Cancer Institute, Renji Hospital, Shanghai Jiaotong University School of Medicine; Shanghai China
9. HPV Immunology Laboratory; Leidos Biomedical Research Inc., Frederick National Laboratory for Cancer Research; Frederick MD
10. Yale University School of Public Health; New Haven CT
11. Department of Epidemiology and Population Health; Albert Einstein College of Medicine; NY
12. Department of Epidemiology; The University of Texas MD Anderson Cancer Center; Houston TX