1. Division of Nephrology, University of California, San Francisco School of Medicine, San Francisco, California (A.N.M., R.K.H., K.D.L., I.E.M.)
2. Department of Biostatistics, Epidemiology and Informatics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania (J.Y.H., X.Z.)
3. Division of General Internal Medicine, Johns Hopkins University, Baltimore, Maryland (L.J.A.)
4. Section of Nephrology & Hypertension, Tulane University School of Medicine, New Orleans, Louisiana (J.C.)
5. Division of Nephrology, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania (D.L.C.)
6. Division of Nephrology and Hypertension, University of Minnesota Medical School, Minneapolis, Minnesota (P.E.D.)
7. Section on Nephrology, Wake Forest University, Winston-Salem, North Carolina (B.I.F.)
8. Division of Research, Kaiser Permanente Northern California, Oakland, California (A.S.G.)
9. Tulane University School of Public Health & Tropical Medicine, New Orleans, Louisiana (J.H.)
10. Case Western Reserve University School of Medicine, Cleveland, Ohio (E.J.H.)
11. Division of Nephrology, University of Illinois Health, Chicago, Illinois (J.P.L., A.P., A.C.R.)
12. Division of Nephrology, University of Michigan Health, Ann Arbor, Michigan (P.R.)
13. Department of Kidney Medicine, Cleveland Clinic, Cleveland, Ohio (H.R., J.T.)
14. Division of Nephrology and Hypertension, Wayne State University School of Medicine, Detroit, Michigan (J.S.)
15. University of New Mexico Health Sciences, Albuquerque, New Mexico (M.U.)
16. Division of Nephrology, University of California, San Francisco School of Medicine, San Francisco, California, and Division of Research, Kaiser Permanente Northern California, Oakland, California (C.H.).