1. Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
2. Pediatric Infectious Disease Research Center, Tehran University of Medical Sciences, Tehran, Iran.
3. Department of Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran.
4. Division of Microbiology, Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
5. Department of Infectious Diseases, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran.
6. Department of Community Medicine, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
7. Department of Pathology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
8. Thorax Research Center, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran.