1. Department of Paediatrics, University Hospital of Schleswig‐Holstein University of Lübeck Lübeck Germany
2. Chair of Social Paediatrics School of Medicine of the Technical University of Munich Munich Germany
3. Pediatric Neurology, School of Medicine and Munich Municipal Hospital Group Technical University of Munich Munich Germany
4. University of Lübeck Lübeck Germany
5. Institute of Medical Biometry and Statistics University of Lübeck Lübeck Germany
6. Neonatology Munich Municipal Hospital Group Munich Germany