1. Department of Materials Science and Engineering, University of Ioannina, 45110 Ioannina, Greece
2. Nanomedicine and Nanobiotechnology Research Group, University of Ioannina, Ioannina 45110, Greece
3. Department of Maxillofacial, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
4. Department of Physiology, Faculty of Medicine, School of Health Sciences, University of Ioannina, Ioannina 45110, Greece
5. School of Chemical and Environmental Engineering, Technical University of Crete (TUC), GR-73100, Chania, Crete, Greece