Affiliation: | 1. Department of Gastroenterology, Ankara Ataturk Research and Education Hospital, Bilkent Street, 06800 Ankara, Turkey;2. Department of Internal Medicine, Ankara Ataturk Research and Education Hospital, Turkey;3. Department of Haematology, Ankara Ataturk Research and Education Hospital, Turkey;4. Faculty of Medicine, Department of Gastroenterology, Yildirim Beyazit University, Turkey |