OXA1L mutations cause mitochondrial encephalopathy and a combined oxidative phosphorylation defect by Thompson, K, Mai, N, Oláhová, M, Scialó, F, Formosa, LE, Stroud, DA, Garrett, M, Lax, NZ, Robertson, FM, Jou, C, Nascimento, A, Ortez, C, Jimenez‐Mallebrera, C, Hardy, SA, He, L, Brown, GK, Marttinen, P, McFarland, R, Sanz, A, Battersby, BJ, Bonnen, PE, Ryan, MT, Chrzanowska‐Lightowlers, ZM, Lightowlers, RN