Tehran University of Medical Sciences - Digestive Disease Research Center, BC Cancer Research Centre (BCCRC) - Cancer Control Research Program, Tehran University of Medical Sciences - Liver and Pancreatobiliary Research Center, Tehran University of Medical Sciences - Liver and Pancreatobiliary Research Center, Tehran University of Medical Sciences - Digestive Oncology Research Center, Shahid Beheshti University of Medical Sciences - Department of Health & Community Medicine, Mashhad University of Medical Sciences - Pharmaceutical Research Center, Isfahan University of Medical Sciences - Applied Physiology Research Center, Kermanshah University of Medical Sciences - Department of Clinical Biochemistry, Tabriz University of Medical Sciences - Liver and Gastrointestinal Diseases Research Center, Shiraz University of Medical Sciences - Microbiology Department, Ahvaz Jundishapur University of Medical Sciences, Qom University of Medical Sciences, Zahedan University of Medical Sciences - Health Promotion Research Center, Mazandaran University of Medical Sciences - Department of Pharmaceutics, Golestan University - Golestan Research Center of Gastroenterology and Hepatology, Urmia University of Medical Sciences - Social Determinants of Health Center, Guilan University of Medical Sciences, Hamadan University of Medical Sciences - Research Center for Health Sciences, Kerman University of Medical Sciences, Ardabil University of Medical Sciences - Digestive Disease Research Center, Kurdistan University of Medical Sciences, Babol University of Medical Sciences - Social Determinants of Health Research Center, Tehran University of Medical Sciences - Liver and Pancreatobiliary Research Center, Tehran University of Medical Sciences - Digestive Disease Research Institute, Tehran University of Medical Sciences - Digestive Disease Research Institute, Tehran University of Medical Sciences - Digestive Disease Research Center, Tehran University of Medical Sciences - Digestive Disease Research Institute, Tehran University of Medical Sciences - Digestive Disease Research Center, Tehran University of Medical Sciences - Liver and Pancreatobiliary Research Center, Tehran University of Medical Sciences - Liver and Pancreatobiliary Research Center, Shahid Beheshti University of Medical Sciences - Clinical TB and Epidemiology Research Center, Iran University of Medical Sciences - Department of Virology, Tehran University of Medical Sciences - Digestive Disease Research Center, Tehran University of Medical Sciences - Digestive Disease Research Center, Tehran University of Medical Sciences - Digestive Disease Research Center, Tehran University of Medical Sciences - Digestive Disease Research Center, Tehran University of Medical Sciences - Department of Radiology, University of Washington - The Institute for Health Metrics and Evaluation, Tehran University of Medical Sciences - Liver and Pancreatobiliary Research Center and Tehran University of Medical Sciences - Digestive Disease Research Center

Tehran University of Medical Sciences, Tehran University of Medical Sciences, Tehran University of Medical Sciences - Liver and Pancreatobiliary Research Center, Isfahan University of Medical Sciences, Semnan University of Medical Sciences, Shahid Sadoughi University of Medical Sciences - Department of Occupational Medicine, Shahid Sadoughi University of Medical Sciences - Department of Occupational Health, Rafsanjan University of Medical Sciences, Tehran University of Medical Sciences - Liver and Pancreatobiliary Research Center, Tehran University of Medical Sciences - Department of Epidemiology and Biostatistics and Isfahan University of Medical Sciences