Affiliation: | 1. Department of Pediatrics, Division of Neonatology, Leiden University Medical Center, Leiden, The Netherlands Department of Pediatrics, Division of Neonatology, Academic Medical Center, University of Amsterdam, The Netherlands;2. Department of Medical Microbiology, Clinical Microbiological Laboratory, Leiden University Medical Center, Leiden, The Netherlands;3. Department of Obstetrics, Leiden University Medical Center, Leiden, The Netherlands;4. Department of Pediatrics, Division of Neonatology, Leiden University Medical Center, Leiden, The Netherlands |