Departments of General Surgery, and Pathology, Atatürk Research and Educational Hospital, Ankara
2.Department of General Surgery 3, Ankara Atatürk Research and Education Hospital, Ankara
3.Department of General Surgery, Dışkapı Yıldırm Beyazıt Teaching and Research Hospital, Ankara
4.Departments of Pathology, Ankara Numune Teaching Hospital, Ankara
5.Türkiye Yüksek İhtisas Hastanesi Gastroenteroloji ve Gastroenteroloji Cerrahisi klinikleri, Ankara