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