1. Department of General Surgery, Faculty of Medicine, Gazi University, Ankara 06510, Turkey
2. Department of Physiology, Faculty of Medicine, Kutahya Health Science University, Kutahya 43020, Turkey
3. Department of Anesthesiology and Reanimation, Faculty of Medicine, Gazi University, Ankara 06510, Turkey
4. Department of Physiology, Faculty of Medicine, Atılım University, Ankara 06830, Turkey
5. Department of Histology and Embryology, Faculty of Medicine, Gazi University, Ankara 06510, Turkey