1. INNOVENT e. V., Biomaterials Department, Prüssingstrasse 27B, D-07745 Jena, Germany
2. University of Leipzig, Institute of Medical Physics and Biophysics, Härtelstrasse 16-18, D-04107 Leipzig, Germany
3. Technical University of Dresden, Institute of Material Science, Max Bergmann Center of Biomaterials, D-01069 Dresden, Germany