1. Department of Pediatrics and Adolescent Medicine, Division of Pediatric Neonatology, Intensive Care, and Neuropediatrics, and
2. Department of Neonatology, Charité University Medical Center, Berlin, Germany; and
3. Faculty of Psychology, Institute for Applied Psychology, University of Vienna, Vienna, Austria
4. Center for Medical Statistics, Informatics, and Intelligent Systems, Medical University of Vienna, Vienna, Austria;