1. Doctoral School, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
2. 3rd General Surgery Clinic, Emergency County Hospital, 200642 Craiova, Romania
3. Department of Research Methodology, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
4. Department of Surgery, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
5. Department of Oral and Maxillofacial Surgery, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania