1. Center for Nanomedicine and Tissue Engineering (CNTE), ASST Grande Ospedale Metropolitano Niguarda, 20162 Milan, Italy
2. Institute for Stem-Cell Biology, Regenerative Medicine and Innovative Therapies, IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy
3. Department of Biotechnology and Bioscience, University of Milano – Bicocca, via R. Cozzi 55, 20125 Milano, Italy
4. Chemical and Biomolecular Engineering Department, Whiting School of Engineering, Johns Hopkins University, MD, USA
5. Advanced Technology Institute, Electrical and Electronic Engineering, University of Surrey, Guildford GU2 7XH, UK
6. Department of Materials Science, University of Milano – Bicocca, via R. Cozzi 55, 20125 Milano, Italy