∗School of Child Neuropsychiatry, University of Modena and Reggio Emilia, Modena, Italy

†Department of Psychiatry and Robinson College, University of Cambridge, Cambridge, United Kingdom.

Send reprint requests to Augusto C. Castagnini, MD, PhD (Cantab), School of Child Neuropsychiatry, University of Modena and Reggio Emilia, Via del Pozzo 71, 41124 Modena, Italy. E-mail: [email protected].