1. Regional Nephrology Service Line, The Permanente Medical Group, Oakland, California
2. Department of Nephrology, Kaiser Permanente Oakland Medical Center, Oakland, California
3. Division of Research, Kaiser Permanente Northern California, Oakland
4. Department of Nephrology, Kaiser Permanente Hayward Medical Center, Hayward, California
5. Department of Nephrology, Kaiser Permanente Santa Clara Medical Center, Santa Clara, California
6. Regional Renal Services, Kaiser Permanente Northern California, Oakland
7. Department of Nephrology, Kaiser Permanente San Francisco Medical Center, San Francisco, California
8. Department of Epidemiology and Biostatistics, University of California, San Francisco
9. Department of Medicine, University of California, San Francisco
10. Department of Medicine (Nephrology) and Health Research and Policy, Stanford University School of Medicine, Stanford, California