1. Digestive Oncology Research Center; Digestive Diseases Research Institute; Tehran University of Medical Sciences; Tehran Iran
2. Metabolic Epidemiology Branch; Division of Cancer Epidemiology and Genetics; National Cancer Institute; Bethesda Maryland
3. Departments of Nutrition and Biochemistry; Faculty of Medicine; Sabzevar University of Medical Sciences; Sabzevar Iran
4. Liver and Pancreatobiliary Diseases Research Center; Digestive Diseases Research Institute; Tehran University of Medical Sciences; Tehran Iran
5. Research Reactor Centre; University of Missouri-Columbia; Columbia Missouri
6. Digestive Disease Research Center; Digestive Diseases Research Institute; Tehran University of Medical Sciences; Tehran Iran
7. School of Computer, Mathematical, and Natural Sciences; Morgan State University; Morgan State University; Baltimore Maryland
8. Golestan Research Center of Gastroenterology and Hepatology; Golestan University of Medical Sciences; Gorgan Iran
9. International Agency for Research on Cancer; Lyon France
10. Tisch Cancer Institute; Icahn School of Medicine at Mount Sinai; New York New York
11. Departments of Clinical Nutrition and Dietetics; Faculty of Nutrition and Food Technology; National Nutrition and Food Technology Research Institute; Shahid Beheshti University of Medical Sciences; Tehran Iran