1. Division of Pediatric Pulmonology & Allergy and Cystic Fibrosis Center, Department of Pediatrics
2. Translational Lung Research Center, German Lung Research Center
3. Department of Diagnostic and Interventional Radiology
4. Department of Diagnostic and Interventional Radiology with Nuclear Medicine, Thoraxklinik
5. Department of Translational Pulmonology, and
6. Department of Biostatistics, German Cancer Research Center, Heidelberg, Germany
7. Department of Otorhinolaryngology, Head and Neck Surgery, University of Heidelberg, Heidelberg, Germany
8. Department of Pediatric Pulmonology, Immunology, and Intensive Care Medicine, Charité University Hospital Berlin, Berlin, Germany; and
9. Berlin Institute of Health, Berlin, Germany