1. From the Departments of Medicine and Biochemistry and Molecular Biology, University of Florida College of Medicine, Gainesville (P.W.S., T.G.B., S.H.C., E.M.H., G.N.H., A.L., B.Z.); the Biostatistics Center, George Washington University, Washington, D.C. (E.C.W., J.M.L.); the University of California, San Francisco (R.M.B., C.L.W.); the University of Texas Health Science Center, San Antonio (C.A.D., S.J.); the University of Alabama School of Medicine, Birmingham (S.B.); the Robert Wood Johnson School of...