Department of Gastroenterology, Antalya Training and Research Hospital, Antalya
2.Department of Gastroenterology, Medicana International Ankara Hospital, Ankara
3.Departments of Biochemistry, Gastroenterology, Baflkent University School of Medicine, Ankara
4.Department of Gastroenterology, Başkent University Faculty of Medicine, Ankara, Turkey
5.Department of Gastroenterology, Anadolu Hospital, Kocaeli
6.Department of Gastroenterology, Güven Hospital, Ankara