1. Department of Internal Medicine and Critical Care, Dokuz Eylül University Faculty of Medicine, İzmir, Turkey

2. Department of Anaesthesiology and Critical Care, Dokuz Eylül University Faculty of Medicine, İzmir, Turkey

3. Department of Public Health, Epidemiology Subsection, Dokuz Eylül University Faculty of Medicine, İzmir, Turkey

4. Department of Neurology and Critical Care, Dokuz Eylül University Faculty of Medicine, İzmir, Turkey

5. Department of Pulmonary and Critical Care, Dokuz Eylül University Faculty of Medicine, İzmir, Turkey