1. Department of Virology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
2. Department of Microbiology, Faculty of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
3. Department of Microbiology and Virology, Zanjan University of Medical Sciences, Zanjan, Iran
4. Department of Microbiology and Immunology, Arak University of Medical Sciences, Arak, Iran
5. Infectious and Tropical Diseases Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran