Departments of Rheumatology and Internal Medicine, Student Research Center and Baqiyatallah Research Center for Gastroenterology and Liver Disease, Baqiyatallah University of Medical Sciences, Tehran, Islamic Republic of Iran
2.Departments of Internal Medicine, Student Research Center and Baqiyatallah Research Center for Gastroenterology and Liver Disease, Baqiyatallah University of Medical Sciences, Tehran, Islamic Republic of Iran
3.Departments of Baqiyatallah Research Center for Gastroenterology and Liver Disease, Baqiyatallah University of Medical Sciences, Tehran, Islamic Republic of Iran