1. Faculty of Medicine, Endorcrinology and Metabolism, Gaziosmanpasa University, Tokat, Turkey
2. Faculty of Medicine, Department of Gastroenterology, Gaziosmanpasa University, Tokat, Turkey
3. Faculty of Medicine, Department of Medical Oncology, Gaziosmanpasa University, Tokat, Turkey
4. Faculty of Medicine, Department of Biochemistry, Gaziosmanpasa University, Tokat, Turkey
5. Faculty of Medicine, Department of Radiology, Gaziosmanpasa University, Tokat, Turkey
6. Faculty of Medicine, Department of Biostatistics, Gaziosmanpasa University, Tokat, Turkey
7. Faculty of Medicine, Department of Public Health, Gaziosmanpasa University, Tokat, Turkey