1 Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; Dr Victor Babes Clinical Hospital for Infectious and Tropical Diseases, Bucharest, Romania.
2 Dr Victor Babes Clinical Hospital for Infectious and Tropical Diseases, Bucharest, Romania.
3 Dr Victor Babes Clinical Hospital for Infectious and Tropical Diseases, Bucharest, Romania; Academia de Stiinte Medicale, Romania.
4 Carol Davila University of Medicine and Pharmacy, Bucharest, Romania; Dr Victor Babes Clinical Hospital for Infectious and Tropical Diseases, Bucharest, Romania. Electronic address: [email protected].