1. School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
2. Department of Biological Sciences, University of Calgary, Calgary, Canada.
3. Medical Microbiology Research Center, Qazvin University of Medical Sciences, Qazvin, Iran.
4. School of Medicine, Mazandaran University of Medical Sciences, Mazandaran, Iran.
5. Infectious and Tropical Diseases Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
6. Department of Bacteriology and Virology, School of Medicine, Dezful University of Medical Sciences, Dezful, Iran.
7. Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
8. Department of Microbiology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran.
9. Division of Pulmonary and Critical Care, College of Medicine-Jacksonville, University of Florida, Jacksonville, FL, USA.