1. ENT Department, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
2. Histology Department, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
3. General Surgery Department, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
4. Doctoral School, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
5. Department of Occupational Medicine, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
6. Department of Modern Languages, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
7. ENT Department, Faculty of Medicine, University of Medicine and Pharmacy Victor Babes, 300041 Timisoara, Romania