Author Correction: Prenatal diagnosis of severe mitochondrial diseases caused by nuclear gene defects: a study in Japan. - Akiyama N; Shimura M; Yamazaki T; Harashima H; Fushimi T; Tsuruoka T; Ebihara T; Ichimoto K; Matsunaga A; Saito-Tsuruoka M; Yatsuka Y; Kishita Y; et al. (Scientific reports, 2021)