1. Biology and Genetics Section; Department of Biomedical and Biotechnological Sciences; University of Catania; Catania Italy
2. Department of General Surgery and Medical Surgical Specialties; University of Catania; Catania Italy
3. Biochemistry Section; Department of Pharmaceutical Science; University of Catania; Catania Italy
4. Department of Clinical and Experimental Medicine; University of Catania; Catania Italy
5. Physiology Section; Department of Biomedical and Biotechnological Sciences; University of Catania; Catania Italy