PhenylketonuriasPhenylketonuria, MaternalPhenylalanine HydroxylasePhenylalaninePhenylpyruvic AcidsBiopterinNeonatal ScreeningAnabaena variabilisIntervention StudiesMetabolism, Inborn ErrorsInfant, NewbornMicrocephalyDiet TherapyIntelligencePhenylalanine Ammonia-LyaseHomogentisic AcidCongenital HypothyroidismIntellectual DisabilityDiet, Protein-RestrictedTyrosineGalactosemias