1. Department of General Pediatrics, Neonatology and Pediatric Cardiology Medical Faculty, University Hospital Düsseldorf, Heinrich‐Heine‐University Düsseldorf Düsseldorf Germany
2. Queen Silvias Children Hospital Sahlgrenska University Hospital Gothenburg Sweden
3. Unitat de Pneumologia Pediàtrica i Fibrosi Quística Hospital Universitari Vall d'Hebron Barcelona Spain
4. Servei de Pneumologia Hospital Universitari Vall d'Hebron Barcelona Spain
5. Department of Pneumology University Hospital Hradec Kralove, Faculty of Medicine in Hradec Kralove, Charles University Prague Czechia
6. Pediatric Pulmonology Unit La Fe University and Polytechnic Hospital Valencia Spain
7. Respiratory Endoscopy Unit La Fe University and Polytechnic Hospital Valencia Spain
8. Pediatric Interventional Pulmonology, Allergy and Sleep Medicine Aster CMI and RV Hospitals Bengaluru India
9. Pediatric Department, University Hospital Martin, Jessenius Faculty of Medicine in Martin Comenius University in Bratislava Martin Slovakia
10. Department for Interventional Pneumology Ruhrlandklinik—West German Lung Center, University Medicine Essen Essen Germany
11. Department of Pediatrics and Adolescents Medicine, Danish Center of Pediatric Pulmonology and Allergology, University Hospital of Aarhus, Institute of Clinical Medicine University of Aarhus Aarhus Denmark
12. Pediatric Pulmonology Institute Schneider Children's Medical Center of Israel Petach Tikva Israel
13. Sackler Faculty of Medicine Tel Aviv University Tel Aviv Israel