1 MD, PhD, Carol Davila University of Medicine and Pharmacy Bucharest, National Institute for Infectious Diseases "Prof. Dr. Matei Balş", No. 1 Dr Calistrat Grozovici street, Bucharest, 021105, Romania.
2 MD, PhDc, Carol Davila University of Medicine and Pharmacy Bucharest, National Institute for Infectious Diseases "Prof. Dr. Matei Balş", No. 1 Dr Calistrat Grozovici street, Bucharest, 021105, Romania.
3 MD, PhD, National Institute for Infectious Diseases "Prof. Dr. Matei Balş", No. 1 Dr Calistrat Grozovici street, Bucharest, 021105, Romania.
4 Biol, PhD, National Institute for Infectious Diseases "Prof. Dr. Matei Balş", No. 1 Dr Calistrat Grozovici street, Bucharest, 021105, Romania.
5 Biol, PhD, Carol Davila University of Medicine and Pharmacy Bucharest, National Institute for Infectious Diseases "Prof. Dr. Matei Balş", No. 1 Dr Calistrat Grozovici street, Bucharest, 021105, Romania.
6 MD, National Institute for Infectious Diseases "Prof. Dr. Matei Balş", No. 1 Dr Calistrat Grozovici street, Bucharest, 021105, Romania.
7 MD, Ministry of Health, No. 1-3 Strada Cristian Popişteanu street, Bucharest, 030167, Romania.
8 MD, PhD, National Institute for Public Health, No. 1-3 Dr. Leonte Anastasievici street, Bucharest, 050463, Romania.