1. 4th Surgery Department, Emergency University Hospital Bucharest, 050098 Bucharest, Romania
2. Faculty of Medicine, University of Medicine and Pharmacy ‘Carol Davila’ Bucharest, 020021 Bucharest, Romania
3. 3rd Clinical Department, Faculty of Medicine, ‘Lucian Blaga’ University Sibiu, 550169 Sibiu, Romania
4. The Faculty of Medicine, Doctoral School, ‘Ovidius’ University, 900527 Constanta, Romania
5. Faculty of Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania