1. Department of General Surgery, School of Medicine, Bulent Ecevit University, Kozlu, Zonguldak, Turkey
2. Mugla School of Health Sciences, Mugla Sitki Kocman University, Mugla, Turkey
3. Department of Pathology, School of Medicine, Bulent Ecevit University, Kozlu, Zonguldak, Turkey
4. Ahmet Erdogan Vocational School of Health Services, Bulent Ecevit University, Kozlu, Zonguldak, Turkey