1 | Ataturk Research and Education Hospital, Department of Gastroenterology, Ankara, Turkey |
2 | Atatürk Research and Education Hospital, Department of Pathology, Ankara, Turkey |
3 | Atatürk Research and Education Hospital, Department of General Surgery, Ankara, Turkey |
4 | Atatürk Research and Education Hospital, Department of Radiology, Ankara, Turkey |
5 | Yildirim Beyazit University, Faculty of Medicine, Department of Gastroenterology, Ankara, Turkey |