Fructose IntoleranceFructoseFructose-Bisphosphate AldolaseCarbohydrate Metabolism, Inborn ErrorsFructose Metabolism, Inborn ErrorsRenal AminoaciduriasSucroseFructosediphosphatesHexosediphosphatesDNA Mutational AnalysisFructosephosphatesMutationFructose-BisphosphataseGlucose Transporter Type 5Phosphofructokinase-1FructokinasesSweetening AgentsGlucoseDietary Sucrose