Association between Mitochondrial DNA Sequence Variants and V.O2 max Trainability. - Vellers, H. L.; Verhein, K. C.; Burkholder, A. B.; Lee, J.; Kim, Y.; Lightfoot, Y. T.; Shi, M.; Weinberg, C. R.; Sarzynski, M. A.; Bouchard, C.; Kleeberger, S. R. (Medicine & Science in Sports & Exercise, 2020)