Tehran University of Medical Sciences, Tehran University of Medical Sciences - Department of Epidemiology and Biostatistics, Tehran University of Medical Sciences, 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 and Tehran University of Medical Sciences

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