[1] Univ Catania, Int Ph D Programme Neuropharmacol, I-95123 Catania, Italy
[2] Univ Catania, Dept Ophthalmol, I-95123 Catania, Italy
[3] Univ Catania, Res Ctr Great Senescence, I-95125 Catania, Italy
[4] Univ Catania, Dept Clin & Mol Biomed, Sect Pharmacol & Biochem, I-95125 Catania, Italy
[5] IRCCS, Oasi Maria SS Inst Res Mental Retardat & Brain Ag, I-94018 Troina, Italy
[6] Univ Catania, Dept Educ Sci, I-95124 Catania, Italy