1. From the Division of Nephrology, Department of Medicine (M.A.S., F.R., E.D., R.R., T.H., L.B., J.S., S.D.C., T.M.C.), Duke University School of Medicine, Durham, NC
2. Renal Section, Durham VA Health System, NC (M.A.S, S.D.C., T.M.C.)
3. Department of Nephrology, Medical Faculty, University Hospital Düsseldorf, Germany (J.S.)
4. Division of Nephrology, Department of Medicine, Michigan University Medical Center, Ann Arbor (A.V.-G., S.P.)
5. Department of Surgery and Pathology, University of Miami, FL (P.R.)
6. Division of Cardiology, Department of Medicine (D.M.A.), Duke University School of Medicine, Durham, NC
7. Division of Nephrology and Hypertension, Department of Medicine, Oregon Health and Sciences University, Portland (S.B.G.).
8. Cardiovascular and Metabolic Disorders Research Program, Duke-NUS Medical School, Singapore (T.M.C.)