1. Division of Nephrology and Hypertension, Department of Medicine, Harold Simmons Center for Kidney Disease Research and Epidemiology, University of California Irvine Medical Center, Orange, CA (E.S.).
2. Nephrology Section, Tibor Rubin Veterans Affairs Medical Center, Long Beach, CA (E.S.)
3. Division of Endocrinology, Diabetes and Metabolism, David Geffen School of Medicine at UCLA, Greater Los Angeles VA Healthcare System, West Los Angeles VA Medical Center (D.S.).