İstanbul Üniversitesi Cerrahpaşa Tıp Fakültesi Çocuk Sağlığı ve Hastalıkları anabilim Dalı, İstanbul
2.Departments of Gastroenterology, Ege University, School of Medicine, İzmir
3.Departments of Gastroenterology, Ege University School of Medicine, İzmir
4.Departments of General Surgery, Ege University School of Medicine, İzmir
5.Department of Gastroenenterology and Pathology İstanbul
6.Aydın Ege Üniersitesi Tıp Fakültesi Gastroenteroloji Bilim Dalı, İzmir