1. Faculty of Medicine, “Lucian Blaga” University Sibiu, 550169 Sibiu, Romania
2. Department of Surgery, Emergency County Hospital, 550245 Sibiu, Romania
3. Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania
4. Fourth Department of Surgery, University Emergency Hospital, 050098 Bucharest, Romania
5. Mathematics and Informatics Department, Faculty of Sciences, Research Center in Informatics and Information Technology, “Lucian Blaga” University Sibiu, 550025 Sibiu, Romania
6. Research Team, Clinical Pediatric Hospital, 550166 Sibiu, Romania