title: Introduction to the new International Classification of Headache Disorders.
abstract: Based on the first edition of the classification (already validated), the ICHD-II is intended for not only the researcher and clinician but also the neurologist and general practitioner. All the headaches are classified into groups and subgroups to provide the level of diagnosis necessary for each user.
authors.affiliation: Department of Neurology and Otorhinolaryngology, University of Rome La Sapienza, Rome, Italy. giuseppe.nappi@mondino.it
authors.forename: Giuseppe
authors.initials: G
authors.lastname: Nappi
mesh_terms: D020773:Headache Disorders / Q000145:classification* / Q000175:diagnosis; D006801:Humans; D007391:International Cooperation