1. Clinical Skills Center, Medical University of Graz, Graz, Austria
2. Division of Neonatology, Department of Pediatrics, Medical University of Graz, Graz, Austria
3. Department of Preventive Medicine, Icahn School of Medicine at Mount Sinai, New York, United States of America
4. Department of Neonatology, Charité, Universitätsmedizin Berlin, Berlin, Germany