Department of General Surgery, GATA, Ankara
2.Department of General Surgery, Gülhane Military MedicalAcademy (GMMA) Haydarpaşa Teaching Hospital, İstanbul
3.GATA Haydarpaşa Eğitim ve Araştırma Hastanesi, Gastroenteroloji Kliniği Patoloji Bölümü
4.Department of General Surgery and Pathology, Gülhane Military Medical Academy, Haydarpaşa Teaching Hospital, İstanbul