1. Surgery Department, "Sfantul Apostol Andrei" Emergency Clinical Hospital , Galati , Romania
2. Doctoral School of Biomedical Sciences, "Dunarea de Jos" University , Galati , Romania
3. Clinical Surgical Department, Faculty of Medicine and Pharmacy, "Dunarea de Jos" University , Galati , Romania
4. Department of Pediatric Surgery, "Sfantul Ioan’’ Clinical Hospital for Children , Galati , Romania
5. Department of Diabetes and Nutritional Diseases, General Hospital Railways , Galati , Romania
6. Clinical Medical Department, Faculty of Medicine and Pharmacy, "Dunarea de Jos" University , Galati , Romania
7. Infectious Diseases Department, "Sf. Cuvioasa Parascheva" Clinical Hospital of Infectious Diseases , Galati , Romania