1. ENT Department, University of Medicine and Pharmacy “Victor Babes”, 300041 Timisoara, Romania
2. Department of Pathology, Emergency City Hospital, 300254 Timisoara, Romania
3. Department of Microscopic Morphology, University of Medicine and Pharmacy “Victor Babes”, 300041 Timisoara, Romania
4. ENT Department, Emergency City Hospital, 300254 Timisoara, Romania
5. Hematology Department of the Municipal Emergency Clinical Hospital, 300254 Timisoara, Romania
6. Faculty of Medicine, University of Medicine and Pharmacy “Victor Babes”, 300041 Timisoara, Romania
7. Internal Medicine Department of the Municipal Emergency Clinical Hospital, 300254 Timisoara, Romania
8. Oro-Maxillo-Facial Surgery Clinic of the Emergency City Hospital, 300062 Timisoara, Romania
9. Department of Surgery, University of Medicine and Pharmacy “Victor Babes”, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
10. Department of Surgery, Emergency City Hospital, Gheorghe Dima Square No 5, 300254 Timisoara, Romania