1 Clinical Skills Center, Medical University of Graz, Graz, Austria.
2 Clinical Skills Center, Medical University of Graz, Graz, Austria; Department of Anaesthesiology and Intensive Care Medicine, Medical University of Graz, Graz, Austria.
3 Clinical Skills Center, Medical University of Graz, Graz, Austria; Division of Neonatology, Department of Paediatrics and Adolescent Medicine, Medical University of Graz, Graz, Austria. Electronic address: lukas.mileder@medunigraz.at.