1. Department of Infectious Diseases, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania
2. Department of Infectious Diseases, Sf. Parascheva Clinical Hospital of Infectious Diseases, 700116 Iasi, Romania
3. Department of Preventive Medicine and Interdisciplinary, Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania