1. Department of Prosthetic Dentistry and Biomedical Materials ScienceHannover Medical School Hannover Germany
2. Institute of Transplant ImmunologyHannover Medical School Hannover Germany
3. Translational Center for Regenerative TherapiesFraunhofer Institute of Silicate Research ISC Würzburg Germany
4. Chair of Tissue Engineering and Regenerative MedicineUniversity Hospital of Würzburg Würzburg Germany