1. Department of Pediatric Intensive Care, Erasmus Medical Centre; Sophia's Children Hospital; Rotterdam The Netherlands
2. Department of Pediatrics, Division of Respiratory Medicine; Radboudumc Amalia Children's Hospital; Nijmegen The Netherlands
3. Department of Pediatric Intensive Care, Academic Medical Centre; Emma's Children Hospital; Amsterdam The Netherlands
4. Department of Pediatrics, Erasmus Medical Centre; Sophia's Children Hospital; Rotterdam The Netherlands
5. Department of Biostatistics, Erasmus MC; University Medical Center; Rotterdam The Netherlands
6. Department of Pediatrics; Maasstad Hospital; Rotterdam The Netherlands