1. Department of Medical Biochemistry, Sultan 2. Abdulhamid Han Training and Research Hospital, University of Health Sciences Turkey, Istanbul, Turkey
2. Department of Gastroenterology, Sultan 2. Abdulhamid Han Training and Research Hospital, University of Health Sciences Turkey, Istanbul, Turkey
3. Department of Medical Biochemistry, Faculty of Medicine, University of Health Sciences Turkey, Istanbul, Turkey
4. Faculty of Medicine, Istinye University, Istanbul, Turkey