1. Department of General Surgery, Esenler Maternity and Child Health Hospital, Istanbul, Turkey.
2. Department of General Surgery, Antalya Training and Research Hospital, Antalya, Turkey.
3. Department of General Surgery, Akdeniz University, School of Medicine, Antalya, Turkey.
4. Department of Biochemistry, Akdeniz University, School of Medicine, Antalya, Turkey.
5. Department of General Surgery, Karapınar State Hospital, Konya, Turkey.
6. Department of Pathology, Antalya Training and Research Hospital, Antalya, Turkey.