1. Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma
2. Oklahoma Nathan Shock Center for Aging, Oklahoma City, Oklahoma
3. Harold Hamm Diabetes Center, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
4. Department of Molecular and Integrative Physiology, University of Kansas Medical Center, Kansas City, Kansas
5. Research Service, Kansas City VA Medical Center, Kansas City, Missouri
6. Center for Children’s Healthy Lifestyle and Nutrition, Children’s Mercy Hospital, Kansas City, Missouri