1. Department of Pediatric Pneumology and AllergyUniversity Children’s Hospital Regensburg (KUNO)Regensburg Germany
2. Division of Infection Immunity and Respiratory MedicineSchool of Biological Sciences, The University of Manchester, Manchester Academic Health Science Centre, and Manchester University NHS Foundation TrustManchester UK
3. Heart and Lung Center, Division of Pulmonary MedicineUniversity of Helsinki and Helsinki University Central HospitalHelsinki Finland
4. Department of Clinical Science and EducationKarolinska InstitutetStockholm Sweden
5. Institute for Immunological ResearchUniversity of CartagenaCartagena Colombia
6. Department of Biosciences and NutritionKarolinska InstitutetHuddinge Sweden
7. Department of Women´s and Children’s HealthKarolinska InstitutetStockholm Sweden
8. Children’s DepartmentResearch Institute for the Prevention of Allergic Diseases, Marien‐HospitalWesel Germany
9. Department of Experimental PneumologyRuhr‐UniversityBochum Germany
10. Kinder‐ und Jugendarztpraxis LaubRosenheim Germany
11. Faculty of MedicineUniversity Children’s Hospital, University of CologneCologne Germany
12. Center for Pediatrics, Department of General Pediatrics, Adolescent Medicine and NeonatologyFaculty of Medicine, Medical Center – University of Freiburg, University of FreiburgFreiburg im Breisgau Germany
13. Children’s DepartmentUniversity Teaching Hospital, Landeskrankenhaus FeldkirchFeldkirch Austria
14. University Children’s HospitalTechnical University DresdenDresden Germany
15. Institute of Environmental MedicineKarolinska Institutet and Centre for Occupational and Environmental Medicine, Stockholm County CouncilStockholm Sweden
16. Sachs’ Children and Youth HospitalSödersjukhusetStockholm Sweden
17. Department of PaediatricsImperial CollegeLondon UK
18. Research Programs Unit, Program for Molecular NeurologyUniversity of Helsinki, Folkhälsän Institute of GeneticsHelsinki Finland
19. School of Basic & Medical Biosciences, King's College LondonLondon England