Department of Gastroenterology, Gazi University School of Medicine, Ankara
2.Department of Gastroenterology, Türkiye Yüksek İhtisas Hospital, Ankara
3.Departments of Gastroenterology Clinical Infectious Diseases, Gazi University, School of Medicine, Ankara
4.Gazi Üniversitesi Tıp Fakültesi Gastroenteroloji Anabilim Dalları, Ankara