Epiphyses, SlippedSlipped Capital Femoral EpiphysesEpiphysesFemur HeadFemur Head NecrosisHip JointLegg-Calve-Perthes DiseaseFemurFemoracetabular ImpingementOsteotomyFemur NeckExostosesAge Determination by SkeletonBone ScrewsBone RetroversionBone NailsRange of Motion, ArticularHip DislocationHLA-DR5 AntigenOrthopedic ProceduresEndocrine System DiseasesAcetabulumTurner SyndromeCapital FinancingTreatment OutcomeRetrospective StudiesManipulation, OrthopedicCraniopharyngiomaCartilage DiseasesTractionFollow-Up StudiesSeverity of Illness Index