1. Institute of Biotechnology, Molecular Cell Biology, Brandenburg University of Technology, Senftenberg, Germany
2. Department of Plastic and Hand Surgery, University Hospital Regensburg, Germany
3. Department of Radiology and Nuclear Medicine, Hospital Braunschweig, Braunschweig, Germany
4. Department of Radiology and Interdisciplinary Ultrasound Department, University Hospital Regensburg, Regensburg, Germany
5. Fraunhofer Institute for Applied Polymer Research (IAP), Potsdam-Golm 14476, Germany
6. Department of Biomaterials, Central Institute for Biomedical Engineering, University of Ulm, Ulm, Germany