1. Department of Pediatric Surgery and Intensive CareErasmus MC‐Sophia Children’s HospitalRotterdam The Netherlands
2. Department of Orthopedics, Section of Physical TherapyErasmus MC‐Sophia Children’s HospitalRotterdam The Netherlands
3. Department of Paediatrics, Division of Respiratory MedicineErasmus MC‐Sophia Children’s HospitalRotterdam The Netherlands
4. Department of BiostatisticsErasmus MCRotterdam The Netherlands