1. 8th Department, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
2. Obstetrics and Gynecology Department, Emergency County Hospital, 200349 Craiova, Romania
3. 1st Department, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
4. Obstetrics and Gynecology Department, Targu-Jiu County Hospital, 210218 Targu-Jiu, Romania
5. Department of Obstetrics and Gynecology, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania
6. Panait Sarbu Clinical Hospital of Obstetrics and Gynecology, 060251 Bucharest, Romania
7. Obstetrics and Gynecology Department, Mioveni City Hospital, 115400 Mioveni, Romania