1. Department of Obstetrics and Gynecology, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania
2. The “Bucur” Maternity, “Saint John” Hospital, 040294 Bucharest, Romania
3. Department of Surgery, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
4. Surgery Department, Dr. Ion Cantacuzino Clinical Hospital, 011437 Bucharest, Romania
5. Faculty of Medicine, Titu Maiorescu University, 040441 Bucharest, Romania
6. Department of Anesthesia and Intensive Care, CF2 Clinical Hospital, 011464 Bucharest, Romania
7. “Prof. Dr. Al. Trestioreanu” Oncology Discipline, Carol Davila University of Medicine and Pharmacy, 252 Fundeni St., 050474 Bucharest, Romania
8. Department for Gynecology, Obstetrics and Reproductive Medicine, Saarland University Hospital, KirrbergerStraße 100, Building 9, 66421 Homburg, Germany