1. Institute of Biomaterial Science Helmholtz‐Zentrum Geesthacht Kantstrasse 55 14513 Teltow Germany
2. Berlin‐Brandenburg Center for Regenerative Therapies Augustenburger Platz 1 13533 Berlin and Kantstr. 55 14513 Teltow Germany
3. Institute of Chemistry and Biochemistry Freie Universität Berlin Takustr. 3 14195 Berlin Germany
4. Clinic for Heart Surgery FKGO Laboratory University of Rostock Schillingallee 35 18057 Rostock Germany
5. Julius Wolff Institute and Center for Musculoskeletal Surgery Charité‐Universitätsmedizin Berlin Augustenburger Platz 1 13533 Berlin Germany