1. Division of Nephrology and Hypertension, Case Western Reserve University, University Hospital Case Medical Center, Cleveland, OH
2. Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA
3. Department of Medicine, Johns Hopkins University, Baltimore, MD
4. Department of Epidemiology, Johns Hopkins University, Baltimore, MD
5. Department of Welch Center for Prevention, Epidemiology and Clinical Research, Johns Hopkins University, Baltimore, MD
6. St. John Hospital and Medical Center Detroit, MI
7. Section of Nephrology and Hypertension, Department of Medicine, Tulane University School of Medicine, New Orleans, LA
8. Jesse Brown VAMC and University of Illinois Hospital and Health Sciences System, Chicago, IL
9. Renal, Electrolyte and Hypertension Division, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA
10. Joslin Diabetes Center and Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
11. Duke University School of Medicine, Durham, NC
12. Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, IL
13. Louis Stokes Cleveland VA Medical Center, Cleveland, OH