Affiliation: | 1. Harold Simmons Center for Kidney Disease Research and Epidemiology, Division of Nephrology and Hypertension, University of California Irvine, School of Medicine, Orange, California, USA;2. Harold Simmons Center for Kidney Disease Research and Epidemiology, Division of Nephrology and Hypertension, University of California Irvine, School of Medicine, Orange, California, USA Nephrology Section, Tibor Rubin VA Medical Center, Long Beach, California, USA;3. Harold Simmons Center for Kidney Disease Research and Epidemiology, Division of Nephrology and Hypertension, University of California Irvine, School of Medicine, Orange, California, USA Department of Pediatrics, Kitasato University School of Medicine;4. Division of Nephrology, University of Tennessee Health Science Center, Memphis, Tennessee, USA;5. Nephrology Section, Memphis Veterans Affairs Medical Center, Memphis, Tennessee, USA Division of Nephrology, University of Tennessee Health Science Center, Memphis, Tennessee, USA |