1. Noncommunicable Diseases Research Center, Fasa University of Medical Sciences, Fasa, Iran
2. Student Research Committee, Fasa University of Medical Sciences, Fasa, Iran
3. Gastroenterohepatology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
4. Central Research Laboratory, Shiraz University of Medical Sciences, Shiraz, Iran
5. Department of Pathology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran