1. Faculty of Engineering Science University of Bayreuth Ludwig Thoma Straße 36A 95447 Bayreuth Germany
2. Institute of Biomaterials Department of Material Science and Engineering Friedrich‐Alexander‐University Erlangen‐Nuremberg Cauerstr. 6 91058 Erlangen Germany
3. Bavarian Polymer Institute University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany