1. Aging and Metabolism Research Program; Oklahoma Medical Research Foundation; Oklahoma City OK USA
2. Department of Surgery, Section of Plastic Surgery; University of Michigan; Ann Arbor MI USA
3. Department of Biomedical Engineering; University of Michigan; Ann Arbor MI USA
4. Oklahoma City VA Medical Center; Oklahoma City OK USA
5. Department of Geriatric Medicine and the Reynolds Oklahoma Center of Aging; Oklahoma University Health Science Center; Oklahoma City OK USA
6. Department of Molecular and Integrative Physiology; University of Michigan; Ann Arbor MI USA