1. Wolfson Institute of Preventive MedicineQueen Mary University of London London United Kingdom
2. Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services Bethesda MD
3. School of Cancer & Pharmaceutical SciencesKing's College London London United Kingdom
4. Department of Internal MedicineUniversity of New Mexico Comprehensive Cancer Center and University of New Mexico Health Sciences Center Albuquerque NM
5. The Center for HPV PreventionUniversity of New Mexico Comprehensive Cancer Center, University of New Mexico Health Sciences Center Albuquerque NM
6. Department of Human and Organizational DevelopmentVanderbilt University Nashville TN
7. Department of GeographyTexas A&M University College Station TX
8. Division of Preventive MedicineUniversity of Alabama at Birmingham Birmingham AL
9. Department of Pathology and Obstetrics & GynecologyUniversity of New Mexico Health Sciences Center Albuquerque NM