[1] Mainz University Hospital,Pulmonary Department
[2] University Hospital RWTH Aachen,Department of Pneumology and Intensive Care Medicine
[3] HP Country Medical Affairs,Department of Pulmonary Medicine
[4] Boehringer Ingelheim Pharma GmbH & Co. KG,Department of Medicine, Pulmonary and Critical Care Medicine
[5] Boehringer Ingelheim International GmbH,undefined
[6] Alcedis GmbH,undefined
[7] University Hospital Essen,undefined
[8] Ruhrlandklinik,undefined
[9] University Duisburg-Essen,undefined
[10] University Medical Center Gießen and Marburg,undefined
[11] German Center for Lung Research (DZL),undefined