1. From the Johns Hopkins University School of Medicine (M.C.J.); Johns Hopkins University School of Public Health (J. Chen, J. Coresh), Baltimore, MD; University of Pennsylvania (A.L.C.S.), Philadelphia; University of North Carolina (J. Carlson), Chapel Hill; Virginia Commonwealth University (T.H.), School of Medicine, Richmond; University of Minnesota (K.L., S.P.), Minneapolis; National Institutes of Neurological Disorders and Stroke Intramural Program (R.F.G.), NIH, Bethesda, MD; and Stanley Steyer...