1. Health Sciences Unit, Faculty of Social Sciences, Tampere University, Tampere, Finland
2. Cancer Research Center, Cancer Institute, Tehran University of Medical Sciences, Tehran, Iran
3. Department of Public Health, School of Public Health, Bushehr University of Medical Science, Bushehr, Iran
4. Clinical Research Development Center, The Persian Gulf Martyrs, Bushehr University of Medical Science, Bushehr, Iran
5. Modeling in Health Research Center, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
6. Regional Knowledge HUB for HIV/AIDS Surveillance, Research Centre for Modelling in Health, Institute for Future Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
7. Metabolic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
8. Research Center for Environmental Determinants of Health, School of Public Health, Kermanshah Medical Sciences University, Kermanshah, Iran
9. International Agency for Research on Cancer, Lyon, France
10. Gastrointestinal Cancer Research Center, Non-Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran
11. Colorectal Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
12. Cancer Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
13. Research Center for Environmental Determinants of Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
14. Endocrinology and Metabolism Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
15. HIV/STI Surveillance Research Center, and WHO Collaborating Center for HIV Surveillance, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
16. Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences, Tehran, Iran
17. Digestive Oncology Research Center, Digestive Diseases Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
18. Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA
19. Liver and Pancreatobiliary Diseases Research Center, Digestive Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran
20. Stony Brook Cancer Center, Stony Brook University, Stony Brook, NY, USA
21. Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
22. Department of Biology, School of Computer, Mathematical, and Natural Sciences, Morgan State University, Baltimore, MD, USA
23. Cancer Biology Research Center, Cancer Institute, Tehran University of Medical Sciences, Tehran, Iran
24. Finnish Cancer Registry - Institute for Statistical and Epidemiological Cancer Research, Helsinki, Finland