Cluster HeadacheMigraine DisordersHeadacheVascular HeadachesMigraine with AuraTension-Type HeadacheHeadache DisordersSumatriptanMigraine without AuraTryptaminesTrigeminal NerveErgotamineTrigeminal Autonomic CephalalgiasDura MaterStudents, Public HealthHeadache Disorders, PrimaryMeningesTrigger PointsForamen Ovale, PatentPterygopalatine FossaHeadache Disorders, SecondaryMeningeal ArteriesErgotismSerotonin Receptor AgonistsCalcitonin Gene-Related PeptideAlkadienesSpinal NervesPain MeasurementAnalgesicsTrigeminal GanglionParoxysmal HemicraniaPrevalenceReceptors, Calcitonin Gene-Related PeptideTrigeminal Caudal NucleusAnisocoriaCluster AnalysisTreatment OutcomeOrbitMiosisHypothalamus