1. Unit of Infections and Cancer, Cancer Epidemiology Research Program; Catalan Institute of Oncology (ICO)-IDIBELL; L'Hospitalet de Llobregat Barcelona Catalonia Spain
2. CIBER de Epidemiología y Salud Pública (CIBERESP); Madrid Spain
3. Infection and Cancer Program; German Cancer Research Center (DKFZ); Heidelberg Germany
4. Microbiology Department; Universitat Autònoma de Barcelona; Hospital de la Santa Creu i Sant Pau Barcelona Catalonia Spain
5. Unit of Nutrition, Environment and Cancer, Cancer Epidemiology Research Program; Catalan Institute of Oncology (ICO)-IDIBELL; L'Hospitalet de Llobregat Barcelona Catalonia Spain
6. Department of Laboratory Medicine; Karolinska Institutet; Stockholm Sweden
7. Department of Medical Epidemiology and Biostatistics; Karolinska Institutet; Stockholm Sweden
8. Department of Community Medicine; Faculty of Health Sciences; UiT The Arctic University of Norway; Tromsø Norway
9. Diet, Genes and Environment; Danish Cancer Society Research Center; Copenhagen Denmark
10. Virus, Lifestyle and Genes; Danish Cancer Society Research Center; Copenhagen Denmark
11. Epidemiology and Prevention Unit; Fondazione IRCCS Istituto Nazionale dei Tumori; Milan Italy
12. Molecular and Nutritional Epidemiology Unit; Cancer Research and Prevention Institute; ISPO Florence Italy
13. University of Cambridge; Cambridge United Kingdom
14. Departments of Medicine and Global Health; University of Washington; Seattle WA
15. Vaccine and Infectious Diseases Institute; Fred Hutchinson Cancer Research Center Seattle WA
16. Section for Epidemiology, Department of Public Health; Aarhus University; Aarhus Denmark
17. Nutrition, Hormones and Women's Health team, Inserm; Centre for Research in Epidemiology and Population Health (CESP); Villejuif France
18. University Paris Sud; Villejuif France
19. IGR; Villejuif France
20. Division of Cancer Epidemiology; German Cancer Research Center (DKFZ); Heidelberg Germany
21. Department of Medical Biosciences, Pathology; Umeå University; Umeå Sweden
22. Department of Epidemiology; German Institute of Human Nutrition Potsdam Rehbruecke; Nuthetal Germany
23. Hellenic Health Foundation; Athens Greece
24. Department of Hygiene, Epidemiology and Medical Statistics, WHO Collaborating Center for Food and Nutrition Policies; University of Athens Medical School; Athens Greece
25. Department of Epidemiology; Harvard School of Public Health; Boston MA
26. Bureau of Epidemiologic Research; Academy of Athens; Athens Greece
27. Cancer Registry and Histopathology Unit; “Civic, M.P. Arezzo” Hospital Ragusa Italy
28. Human Genetics Foundation (HuGeF); Torino Italy
29. Dipartimento Di Medicina Clinica E Chirurgia; Federico Ii University; Naples Italy
30. Centre for Environment and Health; School of Public Health; Imperial College London London United Kingdom
31. National Institute for Public Health and the Environment (RIVM); Bilthoven The Netherlands
32. Department of Gastroenterology and Hepatology; University Medical Centre; Utrecht The Netherlands
33. Department of Epidemiology, Julius Center for Health Sciences and Primary Care; University Medical Center Utrecht; Utrecht The Netherlands
34. Department of Research; Cancer Registry of Norway; Oslo Norway
35. Samfundet Folkhälsan; Helsinki Finland
36. Public Health Directorate; Asturias Spain
37. Andalusian School of Public Health; Granada Spain
38. Instituto de Investigación Biosanitario de Granada (Granada.bs); Granada Spain
39. Department of Epidemiology; Murcia Regional Health Council; Murcia Spain
40. Department of Health and Social Sciences; Universidad de Murcia; Murcia Spain
41. Navarra Public Health Institute; Pamplona Spain
42. Public Health Division of Gipuzkoa; Regional Government of the Basque Country; Spain
43. Department of Medical Microbiology; Skåne University Hospital, Lund University; Malmö Sweden
44. Department of Clinical Microbiology; Skåne University Hospital; Malmö Sweden
45. Department of Radiation Sciences; Oncology Umeå University; Umeå Sweden
46. MRC Epidemiology Unit; University of Cambridge; Cambridge United Kingdom
47. Cancer Epidemiology Unit; University of Oxford; Oxford United Kingdom
48. International Agency for Research on Cancer; Lyon France