Department of Pediatric Gastroenterology;
Hepatology and Nutrition;
Faculty of Medicine;
Atatürk University;
Erzurum;
Turkey;
Department of Pediatric Gastroenterology;
Hepatology and Nutrition;
Faculty of Medicine;
Ege University;
Izmir;
Turkey;
Department of Pathology;
Faculty of Medicine;
Ege University;
Izmir;
Turkey;