1. Div. Neonatology, University Children’s Hospital and Perinatal Center, Ludwig Maximilian University Munich, Munich, Germany
2. Pediatric Infectious Diseases, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
3. Children’s Hospital Landshut, Landshut, Germany
4. Max-von-Pettenkofer-Institute Munich, Ludwig Maximilian University Munich, Germany