Affiliation: | 1. Department of Chemistry and Biochemistry, Freie Universit?t Berlin, Berlin, Germany;2. Department of Chemistry, Functional Materials, Technische Universit?t Berlin, Berlin, Germany;3. College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, P. R. China;4. Institute of Biomaterial Science and Berlin‐Brandenburg Center for Regenerative Therapies, Helmholtz‐Zentrum Geesthacht, Teltow, Germany |