1. Diabetes and Cardiovascular Center, University of Missouri, Columbia, MO
2. Harry S. Truman Memorial Veterans' Hospital, Columbia, MO
3. Department of Internal Medicine, University of Missouri, Columbia, MO
4. Division of Endocrinology, Diabetes and Metabolism, University of Missouri, Columbia, MO
5. Nephrology and Hypertension, University of Missouri, Columbia, MO
6. Department of Medical Pharmacology and Physiology, University of Missouri, Columbia, MO