TorticollisDystoniaDystonic DisordersAnti-Dyskinesia AgentsDystonia Musculorum DeformansBotulinum Toxins, Type ANeuromuscular AgentsBotulinum ToxinsGlobus PallidusSensation DisordersNeck MusclesReceptors, Dopamine D5Cervical VertebraeTremorBasal GangliaDeep Brain StimulationDeglutition DisordersBlepharospasmMeige SyndromeTherapeutic EquivalencyElectromyographyMuscle CrampSeverity of Illness IndexPostureMovement DisordersHandwritingMagnetic Resonance ImagingHandMolecular ChaperonesNocturnal Paroxysmal DystoniaEntopeduncular NucleusLevodopaTreatment OutcomeGTP CyclohydrolasePainBasal Ganglia DiseasesTrihexyphenidylChoreaComplex Regional Pain SyndromesDyskinesia, Drug-Induced