1. Department of Anesthesiology and Reanimation, Kecioren Training and Research Hospital, Ankara, Turkey.
2. Department of Ophthalmology, and Kecioren Training and Research Hospital, Ankara, Turkey.
3. Department of General Surgery, Kecioren Training and Research Hospital, Ankara, Turkey.
4. Department of Health, Republic of Turkey Ministry of Defence, Ankara, Turkey.
5. Department of Anesthesiology and Reanimation, Ankara City Hospital, Ankara, Turkey.
6. Department of Anesthesiology and Reanimation, Yildirim Beyazit University, Ankara, Turkey.