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. Helmholtz Virtual Institute “Multifunctional Biomaterials in Medicine”, Teltow, Germany
4. Institute of Biochemistry and Biology, Universität Potsdam, Potsdam, Germany