1. Division of Endocrinology, Gerontology and Metabolism, Department of Medicine Stanford University School of Medicine Stanford California USA
2. Stanford Diabetes Research Center Stanford University School of Medicine Stanford California USA
3. Division of Cardiovascular Medicine, Department of Medicine Stanford University School of Medicine Stanford California USA
4. Department of Medicine, Boston VA Healthcare System and Department of Medicine, Beth Israel Deaconess Medical Center Harvard Medical School Boston Massachusetts USA
5. Ansh Labs Webster Texas USA