1. From the Durham VA Medical Center and the Division of Nephrology and Departments of Medicine (M.A.S., K.K.P., J. Stegbauer, S.B.G., E.W.R., R.C.G., T.M.C.), Pharmacology and Cancer Biology (T.A.J.H.), and Division of Pulmonary and Sleep Medicine (C.N.F.), Department of Pediatrics, Duke University Medical Center, Durham, NC; Division of Nephrology and Department of Internal Medicine (A.V.-G., S.P.), University of Michigan, Ann Arbor, MI; Curriculum in Genetics and Molecular Biology (J. Snouwaert, B.K...