1. Department of Virology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
2. Department of Microbiology, Faculty of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
3. HIV Laboratory of National Center, Deputy of Health, Iran University of Medical Sciences, Tehran, Iran
4. Rheumatology Research Center, Tehran University of Medical Sciences, Tehran, Iran
5. Rasoul-e-Akram Hospital, Iran University of Medical Sciences, Tehran, Iran