1. Harold Simmons Center for Kidney Disease Research & Epidemiology, Division of Nephrology and Hypertension, School of Medicine; University of California Irvine; 101 The City Drive South, City Tower 92868-3217 Orange CA
2. Division of Nephrology and Hypertension; University of California Irvine; Irvine CA
3. Department of Epidemiology; UCLA School of Public Health; Los Angeles CA
4. Department of Research; Kaiser Permanente of Southern California; Pasadena CA
5. Division of Nephrology; Karolinska Institute; Stockholm
6. Division of Renal Medicine; Karolinska University Hospital at Huddinge; Stockholm
7. Applied Cachexia Research, Department of Cardiology; Charité Medical School, Campus Virchow-Klinikum; Berlin
8. Division of Nephrology; Memphis Veterans Affairs Medical Center; Memphis TN
9. Division of Nephrology; University of Tennessee Health Science Center; Memphis TN