1. 1 Clinical Surgical Department, Faculty of Medicine and Pharmacy , “Dunarea de Jos” University of Galati , Romania
2. 2 Department of Pediatric Surgery , ”Sf. Ioan”Clinical Emergency Pediatric Hospital , Galati , Romania
3. 3 Department of Clinical Medicine, Faculty of Medicine and Pharmacy , “Dunărea de Jos” University of Galati , Romania
4. 4 Faculty of Medicine , University “Ovidius” of Constanta