1. Center of Molecular Biology and Genetics, INRCA, Ancona, Italy.
2. Department of Diagnostic and Experimental Medicine, Ferrara University, Ferrara, Italy.
3. Diabetology Unit, INRCA, Ancona, Italy.
4. Clinical Diabetes Unit, University Hospital, Geneva, Switzerland.
5. Department of Experimental Pathology, Bologna University, Bologna, Italy.
6. Interdepartmental Center Galvani (CIG), Bologna University, Bologna, Italy.