ACAD9, CPEO, Leigh syndrome, LHON, FRDA, MELAS, MERRF, Methylmalonic aciduria, MIDD, MLASA, MNGIE, NARP, NDFUF2, NDUFV2, NDUFAF1, PEO, Sengers Syndrome, TMEM70 deficiency, SANDO, SCAE. This evidence concerns the gene POLG and Congenital cataract - hypertrophic cardiomyopathy - mitochondrial myopathy.