1. Department of Biochemistry, University of Pavia, Pavia - Italy
2. Center for Tissue Engineering (CIT), University of Pavia, Pavia - Italy
3. Research Unit on Implant Infections, Rizzoli Orthopedic Institute, Bologna - Italy
4. Experimental Pathology Department, University of Bologna, Bologna - Italy
5. Bulgarian Academy of Sciences, Institute of Organic Chemistry, Sofia - Bulgary
6. CNR, Institute of Biomedical Technology at the Department of Biology, University of Padova, Padova - Italy