1. DWI─Leibniz Institute for Interactive Materials, Forckenbeckstrasse 50, Aachen D-52074, Germany
2. Institute for Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 1-2, Aachen D-52074, Germany
3. Helmholtz Institute for Biomedical Engineering, BioInterface Group, RWTH Aachen University, Pauwelsstrasse 20, Aachen D-52074, Germany
4. Interdisciplinary Centre for Clinical Research, RWTH Aachen University, Pauwelsstrasse 30, Aachen D-52074, Germany
5. Institute of Molecular and Cellular Anatomy, RWTH Aachen University, Pauwelsstrasse 30, Aachen D-52074, Germany
6. Institute of Pathology, RWTH Aachen University Hospital, Pauwelsstrasse 30, Aachen D-52074, Germany
7. Institute of Applied Medical Engineering, Department of Advanced Materials for Biomedicine, RWTH Aachen University, Forckenbeckstraße 55, Aachen D-52074, Germany