title: Definitions need to be consistent with the facts. Reply to Parisi et al.
authors.affiliation: Child & Adolescent Neuropsychiatry, University, Azienda Ospedaliero-Universitaria, Cagliari, Italy.
authors.forename: Carlo
authors.initials: C
authors.lastname: Cianchetti
authors.forename: Dario
authors.initials: D
authors.lastname: Pruna
authors.forename: Maria Giuseppina
authors.initials: MG
authors.lastname: Ledda
mesh_terms: D004827:Epilepsy / Q000150:complications*; D006261:Headache / Q000145:classification* / Q000209:etiology*; D006801:Humans; D038801:International Classification of Diseases / Q000639:trends*