1. 1Health Sciences Unit, Faculty of Social Sciences, Tampere University, Tampere, Finland.
2. 2Cancer Research Center, Cancer Institute, Tehran University of Medical Sciences, Tehran, Iran.
3. 3Department of Public Health, School of Public Health, Bushehr University of Medical Science, Bushehr, Iran.
4. 4Clinical Research Development Center, The Persian Gulf Martyrs, Bushehr University of Medical Science, Bushehr, Iran.
5. 5Colorectal Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
6. 6Health Promotion Research Center, Zahedan University of Medical Sciences, Zahedan, Iran.
7. 7Tobacco and Health Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.
8. 8Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy.
9. 9Social Determinants of Health Research Center, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran.
10. 10Department of Biostatistics and Epidemiology, Kerman University of Medical Sciences, Kerman, Iran.
11. 11Regional 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.
12. 12Department of Oncology, Georgetown Lombardi Comprehensive Cancer Center, Georgetown University, Washington, District of Columbia.
13. 13Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland.
14. 14Liver and Pancreatobiliary Diseases Research Center, Digestive Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran.
15. 15Digestive Oncology Research Center, Digestive Diseases Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran.
16. 16Department of Biology, School of Computer, Mathematical and Natural Sciences, Morgan State University, Baltimore, Maryland.
17. 17International Agency for Research on Cancer, Lyon, France.
18. 18Finnish Cancer Registry, Institute for Statistical and Epidemiological Cancer Research, Helsinki, Finland.
19. 19Stony Brook Cancer Center, Stony Brook University, Stony Brook, New York.
20. 20Cancer Biology Research Center, Cancer Institute of Iran, Tehran University of Medical Sciences, Tehran, Iran.