Walking performance is positively correlated to calf muscle fiber size in peripheral artery disease subjects, but fibers show aberrant mitophagy: An observational study

Sarah H. White, Mary M. McDermott, Robert L. Sufit, Kate Kosmac, Alex W. Bugg, Marta Gonzalez-Freire, Luigi Ferrucci, Lu Tian, Lihui Zhao, Ying Gao, Melina R. Kibbe, Michael H. Criqui, Christiaan Leeuwenburgh, Charlotte A. Peterson