1. Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Teltow, Germany
2. Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany
3. Institute of Biochemistry and Biology, University of Potsdam, Potsdam, Germany
4. Helmholtz Virtual Institute – Multifunctional Biomaterials for Medicine, Berlin and Teltow, Teltow, Germany