RicketsFamilial Hypophosphatemic RicketsHypophosphatemia, FamilialPHEX Phosphate Regulating Neutral EndopeptidaseOsteomalaciaSodium-Phosphate Cotransporter Proteins, Type IIcHypophosphatemiaGenetic Diseases, X-LinkedRickets, HypophosphatemicHypocalcemiaHypercalciuriaVitamin D DeficiencyVitamin DHydroxycholecalciferolsPhosphatesPhosphorusAlkaline Phosphatase25-Hydroxyvitamin D 2NephrocalcinosisCalcitriolErgocalciferolsCholecalciferol25-Hydroxyvitamin D3 1-alpha-HydroxylaseFanconi SyndromeReceptors, CalcitriolSymptom AssessmentCod Liver OilDepressionMicroradiographyInfant Nutrition DisordersLionsCalcification, PhysiologicFibroblast Growth FactorsSunlightSeverity of Illness IndexGenu ValgumCystinosisAlopeciaCalcium, DietaryDihydroxycholecalciferols