1. Department of Microbiology, Faculty of Basic Sciences, Islamic Azad University, Shahryar-Shahr-e-qods-Branch, Qods City, Iran.
2. Department of Microbiology, School of Sciences/University of Tehran, Tehran, Iran.
3. Digestive Disease Research Center, Tehran University of Medical Sciences, Tehran, Iran.
4. Department of Biochemistry and Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.