1. Department of Epidemiology, Tulane University School of Public Health and Tropical Medicine, New Orleans, LA
2. Department of Medicine, Tulane University School of Medicine, New Orleans, LA
3. Department of General Internal Medicine, San Francisco VA Medical Center, San Francisco, CA
4. Department of Biostatistics and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
5. Division of Nephrology and Hypertension, Case Western Reserve University, Cleveland, OH
6. Division of Kidney, Urologic, and Hematologic Diseases, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD
7. Department of Medicine, University of Arizona Health Sciences, Tucson, AZ
8. Department of Medicine, University of Illinois at Chicago, IL
9. Department of Epidemiology and Internal Medicine, Wake Forest School of Medicine, Winston Salem, NC
10. Department of Medicine, Duke University School of Medicine, Durham, NC
11. Division of Renal Diseases and Hypertension, George Washington University, Washington, DC