1. Department of Pediatrics; University of Chieti; Chieti; Italy
2. Clinic of Child and Adolescent Neuropsychiatry; Second University of Naples; Naples; Italy
3. Department of Child Neurology, II Faculty of Medicine; “La Sapienza” University; Rome; Italy
4. Department of Child Neuropsychiatry; University of L'Aquila; L'Aquila; Italy
5. Department of Neuroscience, Neurology Clinic; Sant'Anna Hospital; Como; Italy
6. Department of Pediatrics; University of Padua; Padua; Italy