1. Department of Infectious Diseases, School of Medicine, Imam Khomeini Hospital Complex, School of Medicine Tehran University of Medical Sciences Tehran Iran
2. Eye Research Center, The Five Senses Health Institute, Rassoul Akram Hospital Iran University of Medical Sciences Tehran Iran
3. Department of Infectious Diseases, Liver Transplantation Research Center, Imam Khomeini Hospital Complex, School of Medicine Tehran University of Medical Sciences Tehran Iran
4. Department of Infectious Disease , Dr. Shariati Hospital, School of Medicine Tehran University of Medical Sciences Tehran Iran