Department of Anesthesiology and Reanimation, Ankara Numune Training and Research Hospital, Ankara, Turkey
2.Department of Anesthesiology and Reanimation, Nigde State Hospital, Nigde,Turkey
3.Ankara Numune Education and Research Hospital Anesthesiology and Reanimation Department Ankara, Turkey
4.Çerkezköy OptimedGüven Hospital, Tekirdağ - TURKEY
5.Ankara Numune Training & Research Hospital, Ankara - TURKEY
6.Yozgat State Hospital, Yozgat - TURKE