1. From the Cardiovascular Division (O.R.C-F., F-P.M., R.K.), Department of Radiology (M.J-H.), Department of Pathology (R.M.), Brigham and Women’s Hospital, Boston, MA; Department of Internal Medicine, State University of Campinas (UNICAMP), Sao Paulo, Brazil (O.R.C-F., H.M., W.N.); and Department of Medicine, Montreal Heart Institute, Université de Montréal, Montreal, Canada (F-P.M.).