1. Centre for Pulmonary Hypertension, Thoraxclinic at the University Hospital Heidelberg, Röntgenstrasse 1, 69126 Heidelberg, Germany
2. Institute of Human Genetics, Heidelberg University, Im Neuenheimer Feld 366, 69120 Heidelberg, Germany
3. Translational Lung Research Centre Heidelberg (TLRC), German Centre for Lung Research (DZL), Heidelberg, Germany
4. Research Unit for Genome Biology, European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany
5. Clinic for Pneumology, Hannover Medical School, Carl-Neuberg Str 1, 30623 Hannover and German Centre for Lung Research (DZL), Hannover, Germany
6. Clinic of Pulmonology, University Hospital Zurich, Rämistrasse 100, 8091 Zürich, Switzerland