1. Center of Immunology, ”Stefan S. Nicolau” Institute of Virology, Bucharest, Romania
2. Immunology Department, “Victor Babes” National Institute of Pathology, Bucharest, Romania
3. Department of Cellular and Molecular Pathology, “Stefan S. Nicolau” Institute of Virology, Bucharest, Romania
4. “Carol Davila” University of Medicine and Pharmacy, Bucharest, Romania