1 Department of Microbiology, Islamic Azad University, Qom, Iran.
2 Department of Microbiology and Immunology, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran; Anatomical Sciences Research Center, Kashan University of Medical Sciences, Kashan, Iran. Electronic address: moniri@kaums.ac.ir.
3 Department of Microbiology and Immunology, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran.
4 Anatomical Sciences Research Center, Kashan University of Medical Sciences, Kashan, Iran.