1. Department of Obstetrics and Gynecology, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
2. Department of Surgery, Institute of Oncology ‘Prof. Dr. Alexandru Trestioreanu’, 020122 Bucharest, Romania
3. Department of Obstetrics and Gynecology, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
4. Department of Public Health and Management, Faculty of Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, 050463 Bucharest, Romania