1. Institut für Textiltechnik, RWTH Aachen University, 52074 Aachen, Germany
2. Institute for Technical Chemistry, Braunschweig University of Technology, 38106 Braunschweig, Germany
3. Hannover Medical School, Department of Orthopedic Surgery, Graded Implants and Regenerative Strategies, Laboratory of Biomechanics and Biomaterials, 30625 Hannover, Germany
4. Niedersächsisches Zentrum für Biomedizintechnik, Implantatforschung und Entwicklung (NIFE), 30625 Hannover, Germany