Diaphragmatic Eventration in Sisters with Asparagine Synthetase Deficiency: A Novel Homozygous ASNS Mutation and Expanded Phenotype -- Measurement of Elevated Concentrations of Urine Keratan Sulfate by UPLC-MSMS in Lysosomal Storage Disorders (LSDs): Comparison of Urine Keratan Sulfate Levels in MPS IVA Versus Other LSDs -- The Spectrum of PAH Mutations and Increase of Milder Forms of Phenylketonuria in Sweden During 1965–2014 -- DMP1-CDG (CDG1e) with Significant Gastrointestinal Manifestations -- Phenotype and Genotype Expansion -- Classical Galactosaemia and CDG, the N-Glycosylation Interface. A Review -- Argininosuccinic Acid Lyase Deficiency Missed by Newborn Screen -- Very Long-Chain Acyl-Coenzyme A Dehydrogenase Deficiency and Perioperative Management in Adult Patients -- Paracentric Inversion of Chromosome 21 Leading to Disruption of the HLCS Gene in a Family with Holocarboxylase Synthetase Deficiency -- Delayed Infusion Reactions to Enzyme Replacement Therapies -- Novel PEX3 Gene Mutations Resulting in a Moderate Zellweger Spectrum Disorder -- Improved Measurement of Brain Phenylalanine and Tyrosine Related to Neuropsychological Functioning in Phenylketonuria -- Table of Phenylalanine Content of Foods: Comparative Analysis of Data Compiled in Food Composition Tables -- Inhaled Sargramostim Induces Resolution of Pulmonary Alveolar Proteinosis in Lysinuric Protein Intolerance -- COXPD9 an Evolving Multisystem Disease -- Congenital Lactic Acidosis, Sensorineural Hearing Loss, Hypertrophic Cardiomyopathy, Cirrhosis and Interstitial Nephritis -- Incidence and Geographic Distribution of Succinic Semialdehyde Dehydrogenase (SSADH) Deficiency.