1. Cellular and Molecular Research Center, Birjand University of Medical Sciences, Birjand, Iran.
2. Department of Biochemistry, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran.
3. Department of Biology, Faculty of Sciences, Arak University, Arak, Iran.
4. Gastroenterology Section, Department of Internal Medicine, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran.
5. Department of Biology, University of Sistan and Baluchestan, Zahedan, Iran.