1. Department of Obstetrics and Gynecology, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
2. Department of Hematology, ‘Provita’ Medical Center, 011442 Bucharest, Romania
3. Department of Obstetrics and Gynecology, University Emergency Hospital Bucharest, 050098 Bucharest, Romania
4. Department of Public Health and Management, Faculty of Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, 050463 Bucharest, Romania
5. Department of Pathology, Faculty of Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, 050463 Bucharest, Romania