1. Groningen University
2. University Medical Center Groningen
3. Netherlands
4. University of Fribourg
5. Adolphe Merkle Institute
6. CH-1700 Fribourg
7. Switzerland
8. Technical Institute of Physics and Chemistry
9. Chinese Academy of Sciences
10. Beijing
11. China
12. Leibniz Institute of Polymer Research Dresden (IPF)
13. Max Bergmann Center of Biomaterials Dresden (MBC)
14. 01069 Dresden
15. Germany
16. ETH-Zurich
17. Department of Materials
18. 8093 Zürich