1. Institute of Biomaterials, Department of Materials Science and Engineering University of Erlangen-Nuremberg Cauerstrasse 6 91058 Erlangen Germany
2. Institute of Polymeric Materials Department of Materials Science and Engineering University of Erlangen-Nuremberg Martensstrasse 7 91058 Erlangen Germany
3. Bavarian Polymer Institute KeyLab Advanced Fiber Technology Dr. Mack‐Strasse 77 90762 Fürth Germany