1. Child Neurology and Psychiatry Unit, Systems Medicine Department, Tor Vergata University of Rome, Rome, Italy
2. Child Neurology Unit, Neuroscience and Neurorehabilitation Department, “Bambino Gesù”, Children’s Hospital, IRCCS, Rome, Italy
3. Neurology Unit, Cutroni Zodda Hospital, Barcelona (ME), Italy
4. Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy