Difficulties in Daily Life and Associated Factors, and QoL of Children with Inherited Metabolic Disease and Their Parents in Japan: A Literature Review -- Swallow Prognosis and Follow-Up Protocol in Infantile Onset Pompe Disease -- Clinical and Genetic Characteristics of Romanian Patients with Mucopolysaccharidosis Type II -- Gastrointestinal Health in Classic Galactosemia -- Management of Life-Threatening Tracheal Stenosis and Tracheomalacia in Patients with Mucopolysaccharidoses -- Brain White Matter Integrity Mediates the Relationship Between Phenylalanine Control and Executive Abilities in Children with Phenylketonuria -- The Challenges of a Successful Pregnancy in a Patient with Adult Refsum’s Disease due to Phytanoyl-CoA Hydroxylase Deficiency -- Novel Homozygous Missense Mutation in SPG20 Gene Results in Troyer Syndrome Associated with Mitochondrial Cytochrome c Oxidase Deficiency -- Lethal Neonatal LTBL Associated with Biallelic EARS2 Variants: Case Report and Review of the Reported Neuroradiological Features -- Leukoencephalopathy due to Complex II Deficiency and Bi-Allelic SDHB Mutations: Further Cases and Implications for Genetic Counselling -- Peak Jump Power Reflects the Degree of Ambulatory Ability in Patients with Mitochondrial and Other Rare Diseases -- RARS2 Mutations: Is Pontocerebellar Hypoplasia Type 6 a Mitochondrial Encephalopathy? -- Missed Newborn Screening Case of Carnitine Palmitoyltransferase-II Deficiency -- Leigh-Like Syndrome Due to Homoplasmic m.8993T>G Variant with Hypocitrullinemia and Unusual Biochemical Features Suggestive of Multiple Carboxylase Deficiency (MCD) -- Erratum to: Missed Newborn Screening Case of Carnitine Palmitoyltransferase-II Deficiency -- Erratum to: Leigh-Like Syndrome Due to Homoplasmic m.8993T>G Variant with Hypocitrullinemia and Unusual Biochemical Features Suggestive of Multiple Carboxylase Deficiency (MCD).