1. Institute of Functional and Applied Anatomy, Hannover Medical School, Hannover, Germany;
2. Department of Cardiac Development and Remodelling, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany;
3. Stereology and Electron Microscopy Laboratory, Centre for Stochastic Geometry and Advanced Bioimaging, Aarhus University, Aarhus, Denmark;
4. Biomedical Research in Endstage and Obstructive Lung Disease Hannover, Member of the German Center for Lung Research, Hannover, Germany; and
5. Cluster of Excellence REBIRTH, Hannover, Germany