1. Vocational School of Kocaeli Health Services, Kocaeli University, Kocaeli, Turkey
2. Environmental Engineering, Faculty of Engineering, Kocaeli University, Kocaeli, Turkey
3. Faculty of Medicine, Medical Microbiology Dept, Kocaeli University, Kocaeli, Turkey
4. Faculty of Medicine, Chest Diseases, Kocaeli University, Kocaeli, Turkey
5. Department of Molecular Gastroenterology and Hepatology, Gastroenterology and Hepatology Institue, Kocaeli University, Kocaeli, Turkey
6. Environmental Engineering, Faculty of Engineering, Marmara University, Istanbul, Turkey