1. Division of Molecular and Clinical Medicine, University of Dundee, Ninewells Hospital and Medical School, Dundee, United Kingdom;
2. Royal Brompton Hospital and Imperial College London, London, United Kingdom;
3. Pulmonology Institute and Cystic Fibrosis Center, Carmel Medical Center, Haifa, Israel;
4. Population and Health Sciences Institute, Newcastle University, Newcastle upon Tyne, United Kingdom;
5. National Institute for Health Research Biomedical Research Centre for Ageing, Freeman Hospital, Newcastle, United Kingdom;
6. Cambridge Centre for Lung Infection, Royal Papworth Hospital, Cambridge, United Kingdom;
7. Department of Medicine, University of Cambridge, Cambridge, United Kingdom;
8. Department of Respiratory and Critical Care Medicine, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China;
9. Hospital Clinic of Barcelona, University of Barcelona, Centro de Investigación Biomédica en Red Enfermedades Respiratorias, Institut d’Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain;
10. Department of Respiratory Disease, AZ Nikolaas, Sint-Niklaas, Belgium;
11. Pneumology Department, Hospital Universitari Vall d’Hebron, Barcelona, Spain;
12. Thorax Institute, Institute of Biomedical Research August Pi i Sunyer, University of Barcelona, Barcelona, Spain;
13. Department of Respiratory Medicine, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands;
14. Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Internal Medicine Department, Respiratory Unit and Cystic Fibrosis Adult Center, Milan, Italy;
15. Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy;
16. Department of Pulmonary Medicine and Infectious Diseases, Hannover University School of Medicine, Hannover, Germany;
17. Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy;
18. Respiratory Unit, IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy