Tehran University of Medical Sciences - Digestive Disease Research Center, Tehran University of Medical Sciences - Liver and Pancreaticobiliary Disease Research Center, Tehran University of Medical Sciences - Digestive Disease Research Center, University of Birmingham, Morgan State University, 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 - Digestive Disease Research Center, Tehran University of Medical Sciences - Liver and Pancreatobiliary Diseases 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, Isfahan University of Medical Sciences, Isfahan University of Medical Sciences, Isfahan University of Medical Sciences - Isfahan Cardiovascular Research Cente, Golestan University of Medical Sciences, Golestan University of Medical Sciences - Cancer Research Center, World Health Organization (WHO), Government of the United States of America - Division of Cancer Epidemiology and Genetics, Mount Sinai Health System - Department of Medicine, University of Birmingham - Institute of Applied Health Research, University of Birmingham - Institute of Applied Health Research, University of Birmingham - Institute of Applied Health Research and Tehran University of Medical Sciences - Digestive Disease Research Center

Abadan Faculty of Medical Sciences, Abadan Petroleum Health Organization - Imam Khomeini Hospital, Qom University of Medical Sciences, Qom University, Birjand University of Medical Sciences - Infectious Diseases Research Center, Birjand University of Medical Sciences - Infectious Diseases Research Center, Birjand University of Medical Sciences - Infectious Diseases Research Center, Birjand University of Medical Sciences - Infectious Diseases Research Center, Guilan University of Medical Sciences, Guilan University of Medical Sciences, Guilan University of Medical Sciences, Guilan University of Medical Sciences, Guilan University of Medical Sciences, Shiraz University of Medical Sciences, Shiraz University of Medical Sciences, Shiraz University of Medical Sciences, Shiraz University of Medical Sciences, Mazandaran University of Science & Technology, Mazandaran University of Medical Sciences, Mazandaran University of Medical Sciences, Mazandaran University of Medical Sciences, Mazandaran University of Medical Sciences, Mazandaran University of Medical Sciences, Mazandaran University of Medical Sciences, Mazandaran University of Medical Sciences, Hormozgan University of Medical Sciences, Hormozgan University of Medical Sciences, Hormozgan University of Medical Sciences, Tehran University of Medical Sciences - Digestive Disease Research Institute, Tehran University of Medical Sciences, 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 Institute, Shahid Beheshti University of Medical Sciences - Infectious Diseases and Tropical Medicine Research Center, Shahid Beheshti University of Medical Sciences - Infectious Diseases and Tropical Medicine Research Center, Tehran University of Medical Sciences, Tehran University of Medical Sciences, Tehran University of Medical Sciences, Tehran University of Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran University of Medical Sciences - Digestive Disease Research Institute, Tehran University of Medical Sciences - Tehran Heart Center, Tehran University of Medical Sciences - Digestive Disease Research Institute, Tehran University of Medical Sciences - Digestive Disease Research Institute, Abadan Faculty of Medical Sciences, Abadan Faculty of Medical Sciences, Abadan Faculty of Medical Sciences, Abadan Faculty of Medical Sciences, Abadan Faculty of Medical Sciences, Abadan Faculty of Medical Sciences, Abadan Faculty of Medical Sciences, Abadan Faculty of Medical Sciences, Abadan Faculty of Medical Sciences, Abadan Faculty of Medical Sciences, Fasa University Of Medical Sciences, Fasa University Of Medical Sciences, Abadan Petroleum Health Organization - Imam Khomeini Hospital, Abadan Petroleum Health Organization - Imam Khomeini Hospital, Abadan Petroleum Health Organization - Imam Khomeini Hospital, Zabol University of Medical Sciences, Zabol University of Medical Sciences, Zabol University of Medical Sciences, Zabol University of Medical Sciences, Zabol University of Medical Sciences, Zabol University of Medical Sciences, Zabol University of Medical Sciences, Accident and Emergency Medicine, Homerton Row, Imperial College London - School of Public Health, Imperial College London - School of Public Health, Imperial College London, University of Liverpool - Pharmacology Research Laboratories and Tehran University of Medical Sciences - Liver and Pancreatobiliary Diseases Research Center

Shahid Beheshti University of Medical Sciences - Department of Clinical Nutrition & Dietetics, Tehran University of Medical Sciences, Tehran University of Medical Sciences, Alborz University of Medical Sciences, Tehran University of Medical Sciences - Liver and Pancreatobiliary Diseases Research Center, Tehran University of Medical Sciences - Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences - Digestive Disease Research Center and Shahid Beheshti University of Medical Sciences - Department of Clinical Nutrition & Dietetics