MT-ND3 and MELAS: Among MELAS patients, 2/6 (33.3%) harbored the m.3243A > G/MT‐TL1 mutation and 4/6 (66.7%) harbored other rare mtDNA mutations: two had the 10197G > A and 10191T > C MT‐ND3 mutation, one had the 3271T > C/MT‐TL1 mutation, and one had the 6597C > A/MT‐CO1 mutation.