Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA. Division of Nephrology, Department of Medicine, University of Washington, Seattle, WA, USA. Division of Preventive Medicine, University of California, San Diego, CA, USA. Cardiovascular Health Research Unit, Departments of Medicine, Epidemiology, and Health Services, University of Washington, Seattle, WA, USA. Kidney Research Institute, University of Washington, Seattle, WA, USA. Division of Nephrology-Hypertension, University of California, San Diego, CA, USA. The New York Academy of Medicine, New York, NY, USA.