1. Institute of Diagnostic and Interventional RadiologyHannover Medical School Hannover Germany
2. Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH)Member of the German Center for Lung Research (DZL) Hannover Germany
3. Department of Clinical Airway ResearchFraunhofer Institute for Toxicology and Experimental Medicine Hannover Germany
4. Department of Respiratory MedicineHannover Medical School Hannover Germany