1. Clinical Endocrine Section, Diabetes, Endocrinology, and Obesity Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD
2. Department of Internal Medicine, Department of Medical Pharmacology and Physiology, and Diabetes and Cardiovascular Center, University of Missouri School of Medicine, Columbia, MO
3. Harry S. Truman Memorial Veterans Hospital, Columbia, MO