1. Department of Radiology and Nuclear Medicine,
2. Department of Pediatrics, Division of Respiratory Medicine and Allergy, Erasmus MC–Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands;
3. Department of Lung Disease,
4. Department of Biostatistics, and
5. Department of Epidemiology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands;
6. Department of Radiology, University of Cagliari, Cagliari, Italy;
7. Department of Biomedical Sciences, Humanitas University, Milan, Italy;
8. Istituto di Ricovero e Cura a Carattere Scientifico Humanitas Research Hospital, Respiratory Unit, Milan, Italy;
9. Institut Cochin, Hôpital Cochin, Assistance Publique–Hôpitaux de Paris, Université Paris Descartes, Paris, France;
10. School of Medicine, University of Dundee, Ninewells Hospital and Medical School, Dundee, United Kingdom;
11. Department of Respiratory Medicine, AZ Nikolaas, Sint-Niklaas, Belgium;
12. Pulmonary Institute, Carmel Medical Center, Haifa, Israel;
13. Host Defence Unit, Royal Brompton Hospital, National Heart and Lung Institute, Imperial College, London, United Kingdom;
14. Cambridge Centre for Lung Infection, Royal Papworth Hospital, Cambridge, United Kingdom;
15. Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy; and
16. Internal Medicine Department, Respiratory Unit and Cystic Fibrosis Center, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Cà’Granda Ospedale Maggiore Policlinico, Milan, Italy