1. EPIUnit ‐ Instituto de Saúde Pública Universidade do Porto Porto Portugal
2. Laboratório para a Investigação Integrativa e Translacional em Saúde Populacional (ITR) Porto Portugal
3. Departamento de Ciências da Saúde Pública e Forenses e Educação Médica, Faculdade de Medicina Universidade do Porto Porto Portugal
4. Epidemiology and Prevention Group, Center for Public Health Sciences National Cancer Center Tokyo Japan
5. National Institute of Health and Nutrition, National Institutes of Biomedical Innovation, Health and Nutrition Tokyo Japan
6. Nikkei Disease Prevention Center São Paulo Brazil
7. Department of Medical Epidemiology and Biostatistics Karolinska Institutet Stockholm Sweden
8. Digestive Diseases Centre GASTRO Riga Latvia
9. Institute of Clinical and Preventive Medicine University of Latvia Riga Latvia
10. Faculty of Medicine University of Latvia Riga Latvia
11. Riga East University Hospital Riga Latvia
12. Department of Epidemiology and Prevention Russian N.N. Blokhin Cancer Research Center Moscow Russia
13. Digestive Oncology Research Center, Digestive Disease Research Institute Tehran University of Medical Sciences Tehran Iran
14. Institute of Cardiovascular & Medical Sciences University of Glasgow Glasgow UK
15. Department of Clinical Sciences and Community Health University of Milan Milan Italy
16. Department of Humanities Pegaso Telematic University Naples Italy
17. Division of Cancer Epidemiology and Genetics National Cancer Institute, National Institutes of Health Rockville MD USA
18. Centro Internacional de Pesquisa, A. C. Camargo Cancer Center São Paulo Brazil
19. Instituto de Investigación Sanitaria y Biomédica de Alicante, ISABIAL‐UMH Alicante Spain
20. Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP) Madrid Spain
21. Department of Epidemiology UCLA Fielding School of Public Health and Jonsson Comprehensive Cancer Center Los Angeles CA USA
22. Stony Brook Cancer Center Stony Brook University Stony Brook NY USA
23. Department of Medical and Surgical Sciences University of Bologna Bologna Italy