1. Department of Pediatric Pulmonology and AllergologyDepartment of RadiologyErasmus University Medical Center‐Sophia Children's HospitalRotterdamThe Netherlands
2. Department for Diagnostic and Interventional RadiologyHufeland KlinikumBad LangensalzaGermany
3. Department of Anesthesia, Critical Care and Pain MedicineMassachusetts General HospitalBostonMassachusetts
4. Department of PediatricsDivision of Respiratory MedicineHospital for Sick ChildrenUniversity of TorontoTorontoOntario
5. Department of MedicineUniversity of North CarolinaChapel HillNorth Carolina
6. Department of PediatricsJames Whitcomb Riley Hospital for ChildrenIndiana University School of MedicineIndianapolisIndiana
7. Department of MedicineUniversity of Alabama at BirminghamBirminghamAlabama
8. Department of PediatricsChildren's Hospital ColoradoUniversity of Colorado School of MedicineDenverColorado
9. Vertex Pharmaceuticals EuropeAbingdonUK
10. Vertex PharmaceuticalsBostonMassachusetts