Affiliation: | 1. Department of Internal Medicine, Gazi University Faculty of Medicine, Ankara, Turkey;2. Department of Gastroenterology, Gazi University Faculty of Medicine, Ankara, Turkey;3. Department of Immunology, Gazi University Faculty of Medicine, Ankara, Turkey;4. Department of Gastroenterology, Ankara Oncology Education and Research Hospital, Ankara, Turkey;5. Department of Gastroenterology, Istanbul Medipol University Faculty of Medicine, Istanbul, Turkey;6. Department of Public Health, Gazi University Faculty of Medicine, Ankara, Turkey;7. Microbiology Specialist, Vaccine preventable Bacterial Diseases Research Laboratory, Public Health Institution of Turkey, Ankara, Turkey;8. Department of Pathology, Gazi University Faculty of Medicine, Ankara, Turkey |