SLC16A2 and demyelinating disease: In the case of deficient myelination, often seen using MRI in some young patients with monocarboxylate transporter 8 deficiency (Namba et al., 2008; Gika et al., 2010), current MRI techniques may not be able to follow the progression of demyelinating diseases, that become evident beyond 5–6 years of age (Vaurs-Barrière et al., 2009; Gika et al., 2010).