1. Division of Pediatric Respiratory Medicine, Department of Pediatrics, Erasmus MC-Sophia; University Medical Center Rotterdam; Rotterdam the Netherlands
2. Division of Neonatology, Department of Pediatrics, Erasmus MC-Sophia; University Medical Center Rotterdam; Rotterdam the Netherlands
3. Division of Pediatric Intensive Care, Department of Pediatrics, Erasmus MC-Sophia; University Medical Center Rotterdam; Rotterdam the Netherlands
4. Department of Radiology; Erasmus MC; Rotterdam the Netherlands
5. Department of Epidemiology; Erasmus MC; Rotterdam the Netherlands