1 Oasi Research Institute-IRCCS, Via Conte Ruggero 73, 94018 Troina, Italy.
2 Department of Psychology, Educational Science and Human Movement, University of Palermo, 90128 Palermo, Italy.
3 Department of Sciences for Health Promotion and Mother and Child Care "G. D'Alessandro", University of Palermo, 90128 Palermo, Italy.
4 Clinic of Child and Adolescent Neuropsychiatry, Department of Mental Health, Physical and Preventive Medicine, University of Campania "Luigi Vanvitelli", 81100 Caserta, Italy.