1. Department of Anesthesiology and Reanimation, Bozok University, Yozgat, Turkey.
2. Department of Biochemistry, Private Gurlife Hospital, Eskisehir, Turkey.
3. Department of Anesthesiology and Reanimation and Kecioren Training and Research Hospital, Ankara, Turkey.
4. Department of General Surgery, Kecioren Training and Research Hospital, Ankara, Turkey.