1. Department of Infectious Diseases, Amir-Alam Hospital, Tehran University of Medical Sciences, Tehran, Iran
2. Iranian Research Center for HIV/AIDS, Iranian Institute for Reduction of High-Risk Behaviors, Tehran University of Medical Sciences, Tehran, Iran
3. Department of Radiology Diseases, Amir-Alam Hospital, Tehran University of Medical Sciences, Tehran, Iran
4. Department of Infectious Diseases, Yas Hospital, Tehran University of Medical Sciences, Tehran, Iran
5. Department of Otolaryngology, Head and Neck Surgery, Amir-Alam Hospital, Tehran University of Medical Sciences, Tehran, Iran