1. Faculty of Medicine, Department of Pathology Giresun University Giresun Turkey
2. Faculty of Medicine, Division of Endocrine Surgery Giresun University Giresun Turkey
3. Faculty of Medicine, Department of General Surgery Giresun University Giresun Turkey
4. Faculty of Humanities, Department of Health Care Sciences Univerzita Tomáše Bati ve Zlíně Zlín Czech Republic
5. Faculty of Medicine, Department of General Surgery Ostravska Univerzita V Ostrave Ostrava Czech Republic