[1] Mario Negri Inst Pharmacol Res, Lab Neurol Disorders, I-20156 Milan, Italy
[2] Santa Maria della Misericordia Univ Hosp, Dept Pediat, DPMSC, Udine, Italy
[3] Univ Genoa, Child Neuropsychiat Unit, Giannina Gaslini Inst, Genoa, Italy
[4] Fdn Neurol Inst C Mondino, Child Neuropsychiat Unit, Pavia, Italy
[5] G Salesi Pediat Hosp, Child Neuropsychiat Unit, Ancona, Italy
[6] Univ Hosp, Child Neuropsychiat Unit, Sassari, Italy
[7] Univ Hosp, Child Neuropsychiat Unit, Bari, Italy
[8] Univ Hosp, Child Neuropsychiat Unit, Cagliari, Italy