1. Pediatric Intensive Care Unit, Wilhelmina Children's Hospital University Medical Center Utrecht Utrecht The Netherlands
2. Department of Orthopedic Surgery University Medical Center Utrecht Utrecht The Netherlands
3. Department of Neurology, Brain Centre Rudolf Magnus University Medical Center Utrecht Utrecht The Netherlands
4. Biostatistics & Research Support, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht Utrecht University Utrecht The Netherlands
5. Department of Pediatric Pulmonology, Wilhelmina Children's Hospital University Medical Center Utrecht Utrecht The Netherlands
6. Child Development and Exercise Center, Wilhelmina Children's Hospital University Medical Center Utrecht Utrecht The Netherlands