ACADVL and very long chain acyl-CoA dehydrogenase deficiency: A study conducted in Saudi Arabia identified a homozygous c.65C>A (p.Ser22Ter) founder nonsense mutation in exon two of ACADVL in 31 (83.7%) patients with VLCAD deficiency and associated it with an early-onset phenotype (Obaid et al., 2018).