1. Department of Surgery, Odessa National Medical University, 65082 Odessa, Ukraine
2. Department of Anesthesiology, Intensive Care and Emergency Medicine, Odessa National Medical University, 65082 Odessa, Ukraine
3. Department of Obstetrics and Gynecology, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
4. Department of Visceral Surgery, ‘Ponderas’ Academic Hospital, 021188 Bucharest, Romania