1. Department of Infectious Diseases, University of Medicine and Pharmacy ‘Grigore T. Popa’, 700115 Iasi, Romania
2. Department of Obstetrics and Gynecology, University of Medicine and Pharmacy ‘Grigore T. Popa’, 700115 Iasi, Romania
3. Department of Infectious Diseases, ‘Sf. Parascheva’ Clinical Hospital of Infectious Diseases, 700116 Iasi, Romania