1. Lower Saxony Centre for Biomedical Engineering and Implant Research and Development (NIFE) Hannover Medical School 30625 Hannover Germany
2. Technical Chemistry I and Center for Nanointegration Duisburg‐Essen (CENIDE) University of Duisburg‐Essen Universitätsstr. 5–7 45141 Essen Germany
3. Division for Cardiac‐, Thoracic‐, Transplantation‐ and Vascular Surgery Hannover Medical School 30625 Hannover Germany
4. Department for Vascular and Endovascular Surgery St. Bernward Hospital Treibestr. 9 31134 Hildesheim Germany