1. Department of Infectious Diseases, Imam Khomeini and Yas Hospital Complex 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. Medical School Alborz University of Medical Sciences Karaj Iran
4. Medical School Iran University of Medical Sciences Tehran Iran
5. Department of Infectious Diseases, Imam Khomeini Hospital Complex Tehran University of Medical Sciences Tehran Iran