1. Department of Biomedical and Biotechnological Sciences, Section of Neurology, University of Catania, Catania, Italy
2. Department of Surgical Sciences, Section of Thoracic Surgery, University of Catania, Catania, Italy
3. Department of Educational Sciences, University of Catania, Catania, Italy
4. Department of Health Sciences, University of Genoa, Genoa, Italy
5. Department of Health Sciences, Section of History of Medicine and Ethics, University of Genoa, Genoa, Italy
6. Department of Clinical and Experimental Medicine, Section of Pediatrics and Child Neuropsychiatry, University of Catania, Catania, Italy
7. Department of Clinical and Experimental Medicine, Section of History of Medicine, University of Catania, Catania, Italy