1. Chair of Biomaterials
and Polymer Science, Department of Biochemical and Chemical Engineering, TU Dortmund, Emil-Figge-Strasse 66, 44227 Dortmund, Germany
2. Surgical Research, Bergmannsheil University Hospital, Ruhr-University Bochum, Bürkle-de-la-Camp-Platz 1, 44789 Bochum, Germany