Iran University of Medical Sciences - Clinical Trial Center (CTC), Tehran University of Medical Sciences - Non-Communicable Diseases Research Center, Tehran University of Medical Sciences - Liver and Pancreatobiliary Research Center, Tehran University of Medical Sciences, Tehran University of Medical Sciences, Tehran University of Medical Sciences, University of Washington - Institute for Health Metrics and Evaluation, Tehran University of Medical Sciences, Tehran University of Medical Sciences - Digestive Disease Research Center, Tehran University of Medical Sciences and Tehran University of Medical Sciences - Digestive Disease Research Center

University of Birmingham - Institute of Applied Health Research, University of Birmingham - Institute of Applied Health Research, 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, University of Birmingham - Institute of Applied Health Research, Newcastle University - AGE Research Group, Tehran University of Medical Sciences - Digestive Disease Research Center and University of Birmingham - Institute of Applied Health Research