1. From the Department of Pulmonary and Critical Care Medicine, Malatya Training and Research Hospital, Malatya, Turkey
2. From the Department of Anesthesiology and Reanimation, Malatya Training and Research Hospital, Malatya, Turkey
3. From the Department of Anesthesiology and Reanimation, Division of Critical Care Medicine, Inonu University School of Medicine, Malatya, Turkey