1. Department of Internal Medicine, Justus-Liebig-University Giessen, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Klinikstrasse 32, Giessen 35392, Germany
2. Department of Pneumology, Kerckhoff Heart, Rheuma and Thoracic Center, Benekestr. 2–8, Bad Nauheim 61231, Germany
3. Department of Medicine, Imperial College London, Level 2, Faculty Building, South Kensington Campus, London SW7 2AZ, UK
4. Erasme University Hospital, Route de Lennik 808, Brussels 1070, Belgium
5. Department of Internal Medicine, German Center for Lung Research (DZL), Cardio-Pulmonary Institute (CPI), Justus-Liebig-University Giessen, Aulweg 130, Giessen 35392, Germany
6. Department of Pediatric Cardiology, University of Bonn, Building 30, Venusberg-Campus 1, Bonn 53127, Germany
7. Department of Thoracic Surgery, Kerckhoff Heart, Rheuma and Thoracic Center, Benekestr. 2–8, 61231 Bad Nauheim, Germany
8. Division of Cardiology, Department of Medicine, Medical University of South Carolina, Charleston, SC, USA
9. Institute for Lung Health (ILH), Justus-Liebig-University Giessen, Giessen, Germany