Affiliation: | 1. Environmental and Cancer Epidemiology Area, National Center of Epidemiology, Instituto de Salud Carlos III, Madrid, Spain;2. Consortium for Biomedical Research in Epidemiology and Public Health (CIBER of Epidemiology and Public Health), Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain;3. Division of Molecular Diagnostics of Oncogenic Infections, Infection, Inflammation and Cancer Program, German Cancer Research Center (DKFZ), Heidelberg, Germany;4. Department of Microbiology, Ramón y Cajal University Hospital (IRYCIS), Madrid, Spain;5. ISGlobal, Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain;6. IMIM (Hospital del Mar Medical Research Institute), Barcelona, Spain;7. Universitat Pompeu Fabra (UPF), Barcelona, Spain;8. Department of Clinical Sciences, Faculty of Medicine, University of Barcelona, Barcelona, Spain;9. Cancer Prevention and Control Program, Catalan Institute of Oncology‐IDIBELL, Hospitalet de Llobregat, Spain;10. The Research Group in Gene, Environment and Health Interactions (GIGAS), University of León, León, Spain;11. Faculty of Health Sciences, Area of Preventive Medicine and Public Health, Department of Biomedical Sciences, University of León, León, Spain;12. Public Health Division of Gipuzkoa, BioDonostia Research Institute, San Sebastián, Spain;13. Instituto de Salud Pública de Navarra – Navarra Institute for Health Research (IdiSNA), Pamplona, Spain;14. IUOPA, University of Oviedo, Oviedo, Spain;15. IDIVAL, University of Cantabria, Santander, Spain;16. Gastroenterology Department, Sagunto University Hospital, Sagunto, Spain;17. Gastroenterology Department, La Fe University and Politecnic Hospital, Valencia, Spain;18. Centro de Investigación en Recursos Naturales, Salud, y Medio Ambiente (RENSMA), Universidad de Huelva, Huelva, Spain;19. Department of Epidemiology, Murcia Regional Health Council, IMIB‐Arrixaca, Murcia, Spain;20. Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada Health Research Institute (ibs.GRANADA), Granada, Spain;21. Department of Preventive Medicine and Public Health, University of Granada, Granada, Spain;22. Cancer Epidemiology Research Program, Catalan Institute of Oncology‐IDIBELL, L'Hospitalet de Llobregat, Spain;23. Spanish Network for Research in Infectious Diseases, (REIPI) Red Espa?ola de Investigación en Patología Infecciosa, Sevilla, Spain |