1. Child Neuropsychiatry Unit Department, Pro.M.I.S.E. “G D’Alessandro”, University of Palermo, 90100 Palermo, Italy
2. Department of Experimental Biomedicine and Clinical Neurosciences, University of Palermo, 90100 Palermo, Italy
3. Child Neuropsychiatry Department, ISMEP—ARNAS Civico Palermo, via dei Benedettini 1, 90100 Palermo, Italy
4. Pediatric Neurology, Pediatric Department, AOUP Santa Chiara Hospital, 56121 Pisa, Italy
5. Pain Management Department, Humanitas, 95045 Catania, Italy