1. Julius
Wolff Institute, Charité−Universitätsmedizin, 13353 Berlin, Germany
2. Materials Engineering, Berlin Institute of Technology, 10623 Berlin, Germany
3. European
Synchrotron Radiation Facility, 38043 Grenoble, France
4. Department of Biomaterials, Max-Planck-Institute of Colloids and Interfaces, 14424 Potsdam, Germany
5. Department of Materials Science and Engineering, Technion−Israel Institute of Technology, 32000 Haifa, Israel