1. Department of Anesthesiology and Reanimation, Baskent University Research and Training Hospital, Konya, Turkey
2. Department of Anesthesiology and Reanimation, Baskent University School of Medicine, Ankara, Turkey
3. Department of Anesthesiology and Reanimation, Private Anit Hospital, Konya, Turkey
4. Department of General Surgery, Baskent University Research and Training Hospital, Konya, Turkey