1. From the University of Miami School of Medicine, Miami, Fla (R.B.G.); the University of Texas School of Public Health, Houston, Tex (L.A.M., B.R.D.); Bristol Myers Squibb, Princeton, NJ (M.J.M.); Medlantic Research Institute, Washington, DC (B.V.H.); Washington Hospital Center, Washington, DC (W.J.H.); Washington University, St. Louis, Mo (T.G.C.); and Brigham and Women’s Hospital and Harvard Medical School, Boston, Mass (F.M.S., M.A.P., E.B.).