1. Faculty of Medicine, University of Medicine and Pharmacy “Carol Davila” (UMPCD), 020022 Bucharest, Romania
2. Teaching Emergency Hospital “Bagdasar-Arseni” (TEHBA), 041915 Bucharest, Romania
3. Stefan S. Nicolau Institute of Virology, 285 Mihai Bravu Avenue, 030304 Bucharest, Romania
4. Grigore T. Popa University of Medicine and Pharmacy of Iași, 700454 Iași, Romania
5. Romanian Academy of Scientists, 54 Spl. Independenței Str., District 5, 050085 Bucharest, Romania
6. Faculty of Biology, University of Bucharest, 1-3 Aleea Portocalelor Str., District 5, 060101 Bucharest, Romania