1. Department of Translational Pulmonology
2. Division of Pediatric Pulmonology and Allergy and Cystic Fibrosis Center, Department of Pediatrics, and
3. Translational Lung Research Center Heidelberg, German Center for Lung Research, Heidelberg, Germany
4. Department of Diagnostic and Interventional Radiology, University of Heidelberg, Heidelberg, Germany
5. Department of Radiology, German Cancer Research Center, Heidelberg, Germany
6. Division of Pediatric Allergology and Pneumology, Department of Pediatrics, Medical University of Lübeck, Lübeck, Germany
7. Airway Research Center North, German Center for Lung Research, Lübeck, Germany
8. Department of Pediatric Pneumology, Allergology and Neonatology, Hannover Medical School, Hannover, Germany
9. Biomedical Research in Endstage and Obstructive Lung Disease, German Center for Lung Research, Hannover, Germany
10. Department of Pediatrics, Justus-Liebig-University Giessen, Giessen, Germany
11. Universities Giessen and Marburg Lung Center, German Center for Lung Research, Giessen, Germany
12. Department of Pediatric Pulmonology, University Children’s Hospital of Ruhr University Bochum at St. Josef-Hospital, Bochum, Germany
13. Department of Pediatric Pulmonology, Immunology and Intensive Care Medicine, Charité–Universitätsmedizin Berlin, Berlin, Germany
14. Berlin Institute of Health, Berlin, Germany; and
15. Coordination Center for Clinical Trials, Heidelberg University Hospital, Heidelberg, Germany