PhenylketonuriasPhenylketonuria, MaternalPhenylalanine HydroxylasePhenylalaninePhenylpyruvic AcidsBiopterinNeonatal ScreeningAnabaena variabilisMetabolism, Inborn ErrorsInfant, NewbornMicrocephalyIntelligenceDiet TherapyPhenylalanine Ammonia-LyaseIntellectual DisabilityCongenital HypothyroidismHomogentisic AcidDiet, Protein-RestrictedChild WelfareGalactosemiasTyrosine