1. Department of Respiratory Medicine and German Center of Lung Research (DZL), Hannover Medical School, Hannover, Germany
2. Department of Pneumology, University Hospitals of Leuven, Leuven, Belgium
3. University of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Hannover Medical School, Hannover, Germany
4. Department of Rheumatology and Clinical Immunology, Charité University Hospital, Berlin, Germany, Epidemiology Unit, German Rheumatism Research Centre, Berlin, Germany
5. Clinic of Internal Medicine, University Hospital, Zurich, Switzerland
6. Thoraxclinic, University Hospital Heidelberg, Heidelberg, Germany
7. Medical Clinic I, Clinic Loewenstein, Loewenstein, Germany
8. Clinic III for Internal Medicine (Cardiology) and Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
9. Internal Medicine I, University Hospital Carl Gustav Carus, Technical University Dresden, Dresden, Germany
10. Department of Internal Medicine, Respiratory Medicine and Cardiology, Mission Medical Hospital, Würzburg, Germany
11. Department of Internal Medicine II, Division of Pneumology, University Medical Center Regensburg, Regensburg, Germany
12. Department of Internal Medicine V, University of Munich Germany, Member of the German Center for Lung Research (DZL), Hannover, Germany
13. University Medical Center Hamburg-Eppendorf, Center of Oncology, Department of Respiratory Medicine, Hamburg, Germany
14. LungenClinic, Grosshansdorf, Germany
15. Clinic of Internal Medicine, Department of Respiratory Medicine, Ernst Moritz Arndt University of Greifswald, Greifswald, Germany
16. Department of Cardiology, DRK Kliniken Berlin Köpenick, Berlin, Germany
17. Department of Cardiovascular and Respiratory Diseases, Sapienza, University of Rome, Rome, Italy
18. Fondazione IRCCS Policlinico San Matteo, University of Pavia, Pavia, Italy
19. Department of Pulmonary Diseases, VU University Medical Center, Amsterdam, The Netherlands
20. Department of Pediatric Cardiology and Congenital Cardiac Defects, German Heart Centre Munich, Technical University Munich, Munich, Germany
21. Department of Cardiology, National Heart & Lung Institute, Imperial College London, London, UK
22. Department of Cardiology, Royal Free Hospital London, London, UK
23. Pulmonary Vascular Diseases Unit, Papworth Hospital NHS Foundation Trust, Cambridge, UK
24. Herzzentrum Bad Oeynhausen, Bad Oeynhausen, Germany
25. Department of Pediatric Cardiology, University Hospital Heidelberg, Heidelberg, Germany
26. Institute for Clinical Pharmacology, Medical Faculty, Technical University Dresden, Dresden, Germany