Department of General Surgery, Akçaabat Hackali Baba State Hospital, Trabzon, Turkey
2.Department of General Surgery, Giresun University Faculty of Medicine, Giresun, Turkey
3.Department of Anesthesiology and Reanimation, Kanuni Training and Research Hospital, Trabzon
4.Department of Anesthesiology and Reanimation, Ankara Güven Hospital, Ankara, Turkey