1. Department of Clinical and Experimental Medicine, University of Sassari, Sassari, Italy
2. Department of Rehabilitation, Child and Adolescent Neuropsychiatry Unit, ULSS 6 Vicenza, Italy
3. Department of Biomedical and Neuromotor Sciences (DIBINEM), University of Bologna, Bologna, Italy
4. IRCCS Institute of Neurological Sciences, ASL di Bologna, Bologna, Italy
5. Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Bologna, Italy
6. Department of Woman and Child Health, University of Padua, Italy
7. Department of Developmental Neurology and Psychiatry, Centre for Pediatric Sleep Disorders, Sapienza University, Rome, Italy