1. Department of Neonatology, Eijkman Winkler Institute for Microbiology, Infectious Diseases, and Inflammation, University Medical Center, Utrecht, The Netherlands
2. Department of Virology, Eijkman Winkler Institute for Microbiology, Infectious Diseases, and Inflammation, University Medical Center, Utrecht, The Netherlands
3. Department of Pediatrics, Medical Center Mesos, Utrecht, The Netherlands
4. Department of Pediatrics, Diakonessenhuis, Utrecht, The Netherlands
5. Department of Medical Microbiology, Diakonessenhuis, Utrecht, The Netherlands