1. Department of Diagnostic and Interventional Radiology; Hannover Medical School; Hannover Germany
2. Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), German Center for Lung Research; Hannover Germany
3. Clinic of Pneumology; Hannover Medical School; Hannover Germany
4. Fraunhofer Institute for Toxicology and Experimental Medicine; Hannover Germany