1. Julius
Wolff Institute, Charité − Universitätsmedizin, 13353 Berlin, Germany
2. Helmholtz-Zentrum Berlin für Materialien und Energie − Speicherring
BESSY II, 12489 Berlin, Germany
3. Materials
Engineering, Berlin Institute of Technology, 10623 Berlin, Germany
4. Berlin-Brandenburg
Center for Regenerative Therapies, Charité− Universitätsmedizin, 13353 Berlin, Germany
5. Max Planck Institute of Colloids and Interfaces, Department of Biomaterials, 14424 Potsdam, Germany
6. Department
of Materials Science and Engineering, Technion − Israel Institute of Technology, 32000 Haifa, Israel