SLC25A22 and malignant migrating partial seizures of infancy: Nowadays, pathogenic variants of SLC25A22 have been described as causative of plural forms of neonatal onset epileptic encephalopathies, such as EME and OS, but also malignant migrating partial seizures of infancy (MMPSI), at times manifesting peculiar clinical aspects, such as dyskinetic movements and oculogyric crisis [40].