1. Department of Obstetrics and Gynecology, Filantropia Clinical Hospital, 011132 Bucharest, Romania
2. Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, 020956 Bucharest, Romania
3. General Surgery Clinic, Colentina Clinical Hospital, 020125 Bucharest, Romania
4. General Surgery Department, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
5. Department of Surgery, Ponderas Academic Hospital, 021188 Bucharest, Romania
6. Department of Visceral Surgery, Fundeni Clinical Institute, 022328 Bucharest, Romania
7. Department of Obstetrics and Gynecology, University Emergency Hospital Bucharest, 050098 Bucharest, Romania