[1] University of Leipzig,Translational Centre of Regenerative Medicine TRM
[2] Fraunhofer Institute for Microstructure of Materials and Systems IMWS,Department of Biological and Macromolecular Materials
[3] University of Tennessee Knoxville,Department of Chemical and Biomolecular Engineering
[4] BG-Klinik Bergmannstrost,Department of General, Visceral and Vascular Surgery
[5] BG-Klinik Bergmannstrost,Department of Neurosurgery
[6] Helsinki University,Department of Neurosurgery, Helsinki University Central Hospital