1. Institute of Neurological Sciences, National Research Council, Via Paolo Gaifami 18, 95125, Catania, Italy
2. Institute of Neurological Sciences, National Research Council, 87050, Mangone, Cosenza, Italy
3. Department of Biomedical and Biotechnological Sciences, Section of Human Anatomy and Histology, University of Catania, Catania, Italy
4. Unit of Rare Diseases of the Nervous System in Childhood, Department of Clinical and Experimental Medicine, Section of Pediatrics and Child Neuropsychiatry, University of Catania, AOU "Policlinico-Vittorio Emanuele", Catania, Italy