1. Department of Anaesthesiology and Reanimation, Acıbadem Mehmet Ali Aydınlar University Faculty of Medicine, İstanbul, Turkey

2. General Intensive Care Unit, Acıbadem Altunizade Hospital, İstanbul, Turkey

3. General Intensive Care Unit, Acıbadem International Hospital, İstanbul, Turkey

4. Department of Infectious Diseases and Clinical Microbiology, Acıbadem Mehmet Ali Aydınlar University Faculty of Medicine, İstanbul, Turkey

5. General Intensive Care Unit, Acıbadem Maslak Hospital, İstanbul, Turkey

6. General Intensive Care Unit, Acıbadem Taksim Hospital, İstanbul, Turkey

7. Department of Infectious Diseases and Clinical Microbiology, Acıbadem Altunizade Hospital, İstanbul, Turkey

8. Department of Infectious Diseases and Clinical Microbiology, Acıbadem International Hospital, İstanbul, Turkey