1. Human Anatomy and Histology Section, Department of Biomedical and Biotechnological Sciences, School of Medicine, University of Catania, Catania, Italy.
2. Musculoskeletal Regeneration, AO Research Institute Davos, Davos Platz, Switzerland.
3. Institute of Polymers, Composites and Biomaterials, National Research Council of Italy, Naples, Italy.
4. Department of Chemical Science and Materials Technology, National Research Council of Italy, Rome, Italy.
5. Department of Health, Institut des Etudes Universitaries, UniPoliSI, Veyras, Switzerland.