1. Division of Microbiology, Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
2. Molecular Biology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran.
3. Food Microbiology Research Center, Tehran University of Medical Sciences, Tehran, Iran.
4. Zoonosis Research Centre, Tehran University of Medical Sciences, Tehran, Iran.
5. Department of Medical Laboratory Sciences, School of Para Medicine, Tehran University of Medical Sciences, Tehran, Iran.