1. Department of General Pediatrics, Neonatology and Pediatric Cardiology Medical Faculty University Children's Hospital Düsseldorf Heinrich Heine University Düsseldorf Germany
2. Department of Pediatrics I/Neonatology and Experimental Perinatal Neuroscience University Hospital Essen University Duisburg‐Essen Essen Germany
3. Department for Neonatology and Pediatric Intensive Care Medicine Klinik und Poliklinik für Kinder‐ und Jugendmedizin Universitätsklinikum Carl Gustav Carus Dresden Technische Universität Dresden Dresden Germany
4. Department of Neonatology and Pediatric Intensive Care Children's Hospital University of Bonn Bonn Germany