1. Diabetes, Endocrinology, and Obesity Branch National Institute of Diabetes and Digestive and Kidney Diseases NIH Bethesda Maryland
2. Department of Endocrinology Georgetown University and Washington Hospital Center Washington District of Columbia
3. Endocrinology Section Department of Medicine Phoenix VA Health Care System Phoenix Arizona
4. Division of Endocrinology and Metabolism Department of Medicine Johns Hopkins University School of Medicine Baltimore Maryland
5. Research Service Veterans Affairs Medical Center Washington District of Columbia