1. Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, and; Berlin Institute of Health Berlin-Brandenburg Center for Regenerative Therapies; 13353 Berlin Germany
2. Department of Cardiac and Thoracic Vascular Surgery; University of Luebeck; 23538 Luebeck Germany
3. Experimental Systems Biology; Max Planck Institute of Molecular Plant Physiology; 14476 Golm Germany
4. Institute of Pathology; Martin-Luther Hospital; 14193 Berlin Germany
5. Fraunhofer Institute for Medical Image Computing MEVIS; 23538 Luebeck Germany