1. Reference Laboratory of Insect Vectors, Cantacuzino Institute, Bucharest, Romania
2. Laboratory of Diagnostic Arbovirology of the Army Center of Medical Research, Bucharest, Romania
3. St. S. Nicolau Institute of Virology, Bucharest, Romania
4. "Grigore Antipa" National Museum of Natural History, Bucharest, Romania
5. Department of Preventive Medicine, Ministry of Health, Bucharest, Romania
6. Centers for Disease Control and Prevention, Division of Vector-Borne Infectious Diseases, Fort Collins, Colorado