Hakan Aygun1, David Terence Thomas2, Serkan Tulgar3. 1. Cigli Regional Training Hospital, Department of Anesthesiology, Izmir, Turkey. 2. Maltepe University Faculty of Medicine, Department of Medical Education, Istanbul, Turkey. 3. Maltepe University Faculty of Medicine, Department of Anesthesiology, Istanbul, Turkey. Electronic address: serkan.tulgar@maltepe.edu.tr.