[1] Shiraz University of Medical Sciences,Department of Internal Medicine, Gastroenterohepatology Research Center, School of Medicine
[2] Shiraz University of Medical Sciences,School of Medicine
[3] Shiraz University of Medical Sciences,Gastroentrohepatology Research Center
[4] Shiraz University of Medical Sciences,Department of Pathology, School of Medicine
[5] Firozgar Hospital,Gastrointestinal and Liver Diseases Research Center, Iran University of Medical Sciences
[6] Shiraz University of Medical Sciences,Gastroenterohepatology Research Center
[7] Shiraz University of Medical Sciences,Health Policy Research Center, School of Medicine, Institute of Health