1. Mario Brinciotti, M.D., Research, Director of Child Neurophysiology Service Maria Lucia Di Sabato, M.D., Fellow, Maria Matricardi, M.D., Research Doctor; and Vincenzo Guidetti, M.D., Associate Professor of Child Neuropsychiatry, Chairman of Pediatric Subcommittee of International Headache Society; are from the Dipartimento di Scienze Neurologiche e Psichiatriche dell'Età Evolutiva, University “La Sapienza,” Rome, Italy