1. Neural Repair and Biomaterials Laboratory Hospital Nacional de Parapléjicos (SESCAM) Finca la Peraleda s/n Toledo 45071 Spain
2. Instituto de Nanociencia Nanotecnología y Materiales Moleculares Universidad de Castilla La‐Mancha Avda. Carlos III S/N Toledo 45071 Spain
3. Department of Chemical and Pharmaceutical Sciences INSTM UdR Trieste Via Licio Giorgieri 1 University of Trieste Trieste 34127 Italy
4. Center for Cooperative Research in Biomaterials (CIC biomaGUNE) Basque Research and Technology Alliance (BRTA) Paseo de Miramón 194 Donostia San Sebastián E‐20014 Spain
5. Basque Foundation for Science Ikerbasque Bilbao 48013 Spain