1. Division of Endocrinology and Metabolism, Department of Medicine, University of Missouri, Columbia, Missouri
2. Research Service, Harry S. Truman Memorial Veterans Affairs Hospital, Columbia, Missouri
3. Division of Nephrology, Department of Medicine, University of Missouri, Columbia, Missouri
4. Dalton Cardiovascular Research Center, University of Missouri, Columbia, Missouri
5. Division of Cardiovascular Medicine, Department of Medicine, University of Missouri, Columbia, Missouri
6. Department of Medical Pharmacology and Physiology, University of Missouri, Columbia, Missouri