1. Department of Medicine, Division of Geriatrics, University of Utah, Salt Lake City, Utah
2. Geriatric Research, Education, and Clinical Center, George E. Whalen VA Medical Center, Salt Lake City, Utah
3. Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, Utah
4. Department of Exercise and Sport Science, University of Utah, Salt Lake City, Utah
5. Aix-Marseille Université, CNRS, CRMBM, UMR, Marseille, France
6. Department of Radiology and Utah Center for Advanced Imaging Research, University of Utah, Salt Lake City, Utah