NeckHead and Neck NeoplasmsNeck PainNeck InjuriesFemoral Neck FracturesAbnormalities, MultipleCarcinoma, Squamous CellChromosome AberrationsCongenital AbnormalitiesMagnetic Resonance ImagingChromosome DisordersKaryotypingEye AbnormalitiesTomography, X-Ray ComputedRetrospective StudiesBrainCraniofacial AbnormalitiesSyndromeCardiovascular AbnormalitiesMutationPhenotypeTreatment OutcomeFollow-Up StudiesProspective StudiesSkin AbnormalitiesTime FactorsPregnancyIn Situ Hybridization, FluorescencePrognosisTrisomyUrogenital AbnormalitiesCase-Control StudiesHeadCervical VertebraeMusculoskeletal AbnormalitiesSensitivity and SpecificityRisk FactorsTooth AbnormalitiesInfant, NewbornAneuploidyDisease Models, AnimalWhiplash InjuriesLaryngeal NeoplasmsTranslocation, GeneticElectrocardiographyPredictive Value of TestsImmunohistochemistryImage Processing, Computer-AssistedSex Chromosome AberrationsFetal DiseasesNeoplasms, Squamous CellOtorhinolaryngologic NeoplasmsReproducibility of ResultsPedigreeAbnormalities, Drug-InducedChromosome DeletionBiopsyCombined Modality TherapyBrain DiseasesUltrasonography, PrenatalSchizophreniaCytogenetic AnalysisMice, KnockoutReference ValuesPharyngeal NeoplasmsCohort StudiesHeart Defects, CongenitalChromosome BandingCytogeneticsPrevalencePrenatal DiagnosisShoulder PainMice, TransgenicMouth NeoplasmsChromosomes, Human, Pair 13Age FactorsHeterozygoteSeverity of Illness IndexAnalysis of VarianceMice, Inbred C57BLEchocardiographyHomozygoteNervous System MalformationsMice, Mutant StrainsDisease ProgressionIntellectual DisabilityOropharyngeal NeoplasmsPostureNeoplasm StagingChromosomes, Human, Pair 11Polymerase Chain ReactionMolecular Sequence DataNeurologic ExaminationDiffusion Magnetic Resonance ImagingRadiotherapyGene DeletionDown SyndromeShoulderLymphatic MetastasisElectroencephalography