1 From the Department of Health and Kinesiology, Center for Translational Research in Aging and Longevity, Texas A&M University, Suite 210, 1700 Research Parkway, College Station, TX (MPE, NEPD; GCL-M, e-mail: gc.melis@ctral.org), and the Department of Pediatrics, Section of Critical Care Medicine and USDA/Agricultural Research Service, Children's Nutrition Research Center, Baylor College of Medicine, Houston, TX (JCM).