Haydarpaşa Numune Hastanesi Gastroenteroloji Kliniği, İstanbul
2.Departments of Gastroenterohepatology, İstanbul University İstanbul Medical Faculty, İstanbul
3.Departments of Family Medicine, and Infections Diseases and Clinical Microbiology, Lütfi Kırdar Kartal Education and Training Hospital, İstanbul
4.Departments of Infections Diseases and Clinical Microbiology, Lütfi Kırdar Kartal Education and Training Hospital, İstanbul
5.Departments of Gastroenterology, Lütfi Kırdar Kartal Education and Training Hospital, İstanbul