1. Institute of Anatomy; University of Bern; Bern Switzerland
2. Institute of Functional and Applied Anatomy; Hannover Medical School; Hannover Germany
3. Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH); Member of the German Center for Lung Research; Germany
4. Department of Cardiothoracic Surgery; University Hospital Cologne; Cologne Germany
5. REBIRTH Center of Excellence; Hannover Germany
6. Department of Cardiology, Pneumology, Angiology and Intensive Care Medicine; Heart Center; University Hospital of Cologne; Germany
7. Center of Molecular Medicine; University of Cologne; Cologne Germany