Migraine DisordersMigraine with AuraMigraine without AuraTryptaminesHeadacheHeadache DisordersIschemic Attack, TransientSumatriptanTension-Type HeadachePhotophobiaCortical Spreading DepressionErgotamineDihydroergotaminePizotylineSerotonin Receptor AgonistsComplement Membrane Attack ComplexHeadache Disorders, PrimaryAnalgesicsHeadache Disorders, SecondaryOphthalmoplegic MigraineSeptember 11 Terrorist AttacksForamen Ovale, PatentHyperacusisTerrorismCalcitonin Gene-Related PeptideHabituation, PsychophysiologicTrigeminal NucleiMeningeal ArteriesPain MeasurementNaproxenVertigoDura MaterPrevalenceFlunarizineTrigeminal GanglionComorbidityStrokeRisk FactorsPrecipitating FactorsQuestionnairesTrigeminal Nucleus, SpinalClonixinHydroxyzineTreatment OutcomeMeningesCase-Control Studies