1. Department of Anaesthesiology and Samsun University Faculty of Medicine, Samsun Training and Research Hospital, Samsun, Turkey

2. Department of Anaesthesiology and Reanimation; Atatürk University Faculty of Medicine, Clinical Research, Development and Design Application and Research Center, Erzurum, Turkey

3. Department of Medical Education, Maltepe University Faculty of Medicine, İstanbul, Turkey

4. Anaesthesiology and Intensive Care, University Hospital of Padua, Padua, Italy

5. Department of Anaesthesiology and Reanimation, Koç University Faculty of Medicine, İstanbul, Turkey