1. Department of Medicine, University of Oklahoma, Oklahoma City, Oklahoma
2. Department of Nutritional Sciences, University of Oklahoma, Oklahoma City, Oklahoma
3. Department of Geriatrics, University of Oklahoma, Oklahoma City, Oklahoma
4. Veterans Affairs Medical Center, Oklahoma City, Oklahoma
5. Arthritis and Immunology Program, Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma
6. Department of Pediatrics, University of Oklahoma, Oklahoma City, Oklahoma