1. Laboratory of Immunology and Virology, Armenicum Research Center Yerevan Armenia
2. Yerevan State University Department of Infectious Diseases Yerevan Armenia
3. Yerevan State University Department of Internal Medicine Yerevan Armenia
4. Immunology and Infectious Diseases Program, Division of BioMedical Sciences, Faculty of Medicine, Memorial University of Newfoundland St John's Newfoundland Canada
5. Hepatology Services, Queen Elizabeth II Health Sciences Centre Halifax Nova Scotia Canada