1. Faculty of Medicine, Department of Surgical Specialities, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
2. Craiova Emergency Clinical Hospital, 210218 Craiova, Romania
3. Clinic of Surgery of “Dr. Carol Davila” Nephrology Clinical Hospital, University of Medicine and Pharmacy “Carol Davila” Bucharest, 050474 Bucharest, Romania
4. Third Surgery Clinic, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece