Haydarpaşa Numune Hastanesi Gastroenteroloji Kliniği İstanbul
2.İstanbul Tıp Fakültesi Gastroenterohepatoloji Bilim Dalı İstanbul
3.İstanbul Üniversitesi, İstanbul Tıp Fakültesi Gastroenteropatoloji Bilim Dalı ve Patoloji anabilim Dalı, İstanbul
4.Department of Gastroenterology, Uludağ University, School of Medicine, Bursa
5.Departments of Gastroenterohepatology, İstanbul University İstanbul Medical Faculty, İstanbul
6.Department of Gastroenterology, İstanbul University, İstanbul School of Medicine, İstanbul