İstanbul Tıp Fakültesi, İç Hastalıkları Anabilim Dalı, İstanbul
2.İstanbul Üniversitesi, İstanbul Tıp Fakültesi Gastroenteropatoloji Bilim Dalı ve Patoloji anabilim Dalı, İstanbul
3.Department of Gastroenterology, İstanbul University, İstanbul School of Medicine, İstanbul
4.Department of Gastroenterohepatology, University of İstanbul Medical School, İstanbul
5.Departments of Gastroenterohepatology, İstanbul University İstanbul Medical Faculty, İstanbul
6.Departments of Gastroenterohepatology and Pathology, İstanbul University, School of Medicine, İstanbul