1. Department of Medicine, Pulmonary, Critical Care and Sleep Medicine, Philipps University of Marburg (UMR), Baldingerstrasse 1, Marburg 35033, Germany
2. German Center for Lung Research (DZL), Marburg, Germany
3. Department of Medicine V, LMU University Hospital, LMU Munich, Comprehensive Pneumology Center, German Center for Lung Research (DZL), Munich, Germany
4. MediCenterGermering, Germering, Germany
5. Department of Pneumology and Critical Care Medicine, Thoraxklinik, University of Heidelberg, Translational Lung Research Center Heidelberg (TLRC-H), Center for Lung Research (DZL), Heidelberg, Germany
6. Department of Internal Medicine V – Pulmonology, Allergology, Intensive Care Medicine, Saarland University Hospital, Germany
7. Pulmonary Research Institute at LungenClinic Grosshansdorf, Airway Research Center North (ARCN), German Center for Lung Research (DZL), Grosshansdorf, Germany
8. Department of Medicine, Pulmonary and Critical Care Medicine, Philipps University of Marburg (UMR), Marburg, Germany
9. Clinic for Pneumology, Hannover Medical School, German Center for Lung Research (DZL), Hannover, Germany
10. LungenClinic Grosshansdorf and Department of Medicine, Christian-Albrechts University, Kiel, Airway Research Center North (ARCN), German Center for Lung Research (DZL), Grosshansdorf, Germany
11. Department of Respiratory Medicine, Maastricht University Medical Centre, Maastricht, Netherlands and Ludwig Boltzmann Institute for Lung Health, Vienna, Austria
12. Institute and Outpatient Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU Munich, Comprehensive Pneumology Center Munich (CPC-M), German Center for Lung Research (DZL), Munich, Germany