1. Medical Service, Veterans Affairs Salt Lake City Health Care System, UT (S.B., A.K.C.)
2. Division of Nephrology and Hypertension (S.B., A.K.C., G.W.)
3. University of Utah School of Medicine, Salt Lake City. Stanford University, Palo Alto, CA (G.M.C.)
4. Veterans Affairs Medical Center, Memphis, TN (W.C.C.)
5. Case Western Reserve University, Cleveland, OH (M.R., E.H.)
6. Division of Biostatistics (T.G.)
7. Medical University of South Carolina, Charleston (R.C.C., R.P.)
8. Division of General Internal Medicine (M.C.)
9. Section on Nephrology (B.I.F.)
10. Wake Forest School of Medicine, Winston-Salem, NC. Division of Nephrology and Hypertension, Mayo Clinic, Jacksonville, FL (W.H.)
11. Metrohealth Medical Center, Cleveland, OH (E.H.)
12. Section on Cardiology (D.K.)
13. University of Illinois at Chicago, IL (J.L.)
14. Division of Cardiology, Veterans Administration Medical Center, Washington, DC (V.P.)
15. Ralph H. Johnson VA Medical Center, Charleston, SC (R.P.)
16. Intermountain Medical Center, Murray, UT (E.R.)
17. Icahn School of Medicine at Mount Sinai, New York, NY (C.R.)
18. Oregon State Health University Portland (S.G.W.)
19. Primary Care Division, Clement J. Zablocki VA Medical Center, Milwaukee, WI (J.W.)
20. Tulane University School of Public Health and Tropical Medicine, New Orleans, LA (P.K.W.).