1. From the Renal-Electrolyte and Hypertension Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia (J.B.C., R.R.T.)
2. Department of Medicine, University of Alberta, Edmonton, Canada (R.S.P.)
3. Hypertension Section, Saint Barnabas Medical Center, Livingston, NJ (M.G.)
4. Kaiser Permanente Washington Health Research Institute, Seattle (B.B.G.)
5. Department of Medicine, University of Nevada School of Medicine, Reno (M.J.B.)
6. Vascular Care, Renown Institute for Heart and Vascular Health, Reno, NV (M.J.B.)
7. Department of Medicine, Dupage Medical Group, Orland Park, IL (F.W.G.)
8. Department of Medicine and Pharmacology, Virginia Commonwealth University, Richmond (D.A.S.)
9. Department of Community and Family Medicine, Duke University School of Medicine, Durham, NC (A.J.V.)
10. American Pharmacists Association Foundation, Washington, DC (B.M.B.)
11. Calhoun Cardiology Center, University of Connecticut School of Medicine, Farmington (W.B.W.)
12. Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN (S.J.T.)
13. IHA Chelsea Family and Internal Medicine, MI (S.Y.)
14. Department of Medicine, Columbia University Medical Center, New York, NY (D.S.).