Başkent Üniversitesi Tıp Fakültesi İç Hastalıkları, Patoloji ve Genel Cerrahi Anabilim Dalları, Ankara
2.Department of Gastroenterology, Medicana International Ankara Hospital, Ankara
3.Başkent University Faculty of Medicine, Department of Gastroenterology and Cardiology, Ankara
4.Department of Gastroenterology, Güven Hospital, Ankara