1. Vaccines Trials Group, Telethon Institute for Child Health Research, Perth, WA and Sydney University Discipline of Paediatrics and Child Health, Children's Hospital Westmead; Sydney NSW Australia
2. Departments of Pathology and Obstetrics and Gynecology; University of New Mexico Health Sciences Center; Albuquerque NM USA
3. Division of Infectious Diseases, Department of Medicine; Faculty of Medicine and Dentistry, University of Alberta; Edmonton AB Canada
4. Unit of Infections and Cancer, Cancer Epidemiology Research Program, Institut Català d'Oncologia (ICO); IDIBELL, CIBER-ESP, L'Hospitalet de Llobregat; Catalonia Spain
5. National Institute of Public Health; Cuernavaca Mexico
6. Department of Obstetrics and Gynecology; San Pablo Colleges Medical Center; San Pablo City Laguna Philippines
7. Division de Investigacion Oncosalud-AUNA; Lima Peru
8. City Clinical Hospital; Moscow Russian Federation
9. Departmento de Ginecologia; Instituto Português de Oncologia de Coimbra; Portugal
10. Canadian Center for Vaccinology, IWK Health Center and Capital Health, Dalhousie University; Halifax NS Canada
11. Scientific Center of Obstetrics, Gynecology and Perinatology of the Ministry of Health of the Russian Federation; Moscow Russian Federation
12. City Medical Center; St Petersburg Russian Federation
13. University of British Columbia, The Women's Health Research Institute; Vancouver British Columbia Canada
14. Department of Microbiology and Infectious Diseases, The Royal Women's Hospital, Parkville/Department of Microbiology, The Royal Children's Hospital, Parkville/Murdoch Children's Research Institute, Parkville/Department of Obstetrics and Gynaecology; University of Melbourne; Parkville Victoria Australia
15. City Children's Hospital N40; Ekaterinburg Russian Federation
16. Geisel School of Medicine at Dartmouth, Hanover, NH, USA and University of Louisville School of Medicine; Louisville KT USA
17. Section of Infectious Diseases, Department of Pediatrics; University of Colorado School of Medicine; Aurora Colorado USA
18. Department of Pediatrics; University of South Dakota Sanford School of Medicine/Sanford Children's Specialty Clinic; Sioux Falls SD USA
19. GSK Vaccines; Wavre Belgium
20. GSK Vaccines; King of Prussia PA USA
21. 4Clinics; Paris France