Migraine DisordersClonixinNeck PainMigraine with AuraMigraine without AuraNeckPainHead and Neck NeoplasmsChronic PainPain MeasurementWhiplash InjuriesBack PainPain ManagementNeck MusclesCervical VertebraePain ThresholdHeadacheNeck InjuriesLow Back PainPain, PostoperativeAcute PainTryptaminesPain, IntractableMusculoskeletal ManipulationsAbdominal PainShoulder PainManipulation, SpinalDisability EvaluationFacial PainChronic DiseaseHeadache DisordersPelvic PainAnalgesicsPain, ReferredTension-Type HeadachePain PerceptionSumatriptanTreatment OutcomeQuestionnairesMusculoskeletal Pain