1. Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy.
2. Complex Operative Structure of Endocrinology-Diabetology, Pugliese-Ciaccio Hospital, Catanzaro, Italy.
3. Department of Experimental and Clinical Medicine, University “Magna Græcia” of Catanzaro, Catanzaro, Italy.
4. Diabetologic Unit, Soverato Hospital, Soverato, Italy.