[1] Malcolm-Randall Veterans Affairs Medical Center,Department of Medicine
[2] University of Florida,Department of Medicine
[3] University of Minnesota,Division of Epidemiology and Community Health
[4] Veterans Affairs Medical Center,Center for Chronic Disease Outcomes Research
[5] University of Minnesota,Department of Medicine
[6] Case Western Reserve University,Department of Medicine and Division of Pulmonary, Critical Care and Sleep Medicine
[7] University of Minnesota,Department of Laboratory Medicine and Pathology
[8] California Pacific Medical Center,Research Institute
[9] Case Western Reserve University,Center for Clinical Investigation
[10] Nephrology and Hypertension Section,Malcolm
[11] Medical Service (111G),Randall Veterans Affairs Medical Center