1. Department of Experimental and Clinical Medicine, University of Catania, 95123 Catania, Italy
2. Department of Pharmacy and Science of Health and Nutrition, University of Calabria, Arcavacata di Rende, 87036 Cosenza, Italy
3. Centro Sanitario, University of Calabria, Arcavacata di Rende, 87036 Cosenza, Italy
4. Unit of Physiophatology of Reproduction, Annunziata Hospital, 87100 Cosenza, Italy