1. Leibniz Institute of Polymer Research Dresden (IPF); Max Bergmann Center of Biomaterials Dresden (MBC) and Technische Universität Dresden (TUD); Center for Regenerative Therapies Dresden (CRTD); Hohe Str. 6 01069 Dresden Germany
2. Brain Repair Group; School of Biosciences; Cardiff University; Cardiff CF10 3AX Wales UK