From the Minnesota Cardiovascular Research Institute and Minneapolis Heart Institute Foundation Minneapolis (R.S.); Harvard-MIT Division of Health Sciences and Technology, Cambridge, Mass (E.R.E.); Providence Healthcare System, Portland, Ore (A.C.); Brigham and Women’s Hospital, Boston, Mass (E.R.E., C.R.); Atlanta Cardiovascular Research Institute, Atlanta, Ga (N.C., K.A.R.); Washington Hospital Center, Washington, DC (R.W.); Columbia University, New York, NY (J.W.); University of Pennsylvania... (At 2002-10)