Affiliation: | (1) Cerrahpasa Medical Faculty, Department of Gastroenterology, Istanbul University, 34098 Cerrahpasa, Istanbul, Turkey;(2) Department of Human Researches, University of Pittsburgh Medical Center, Pittsburgh, PA, USA;(3) Cerrahpasa Medical Faculty, Department of Infectious Diseases, Istanbul University, Istanbul, Turkey;(4) Department of Internal Medicine, Istanbul Education and Training Hospital, Istanbul, Turkey;(5) Cerrahpasa Medical Faculty, Department of Pathology, Istanbul University, Istanbul, Turkey |