1. From the Clinique la Francilienne, Pontault-Combault, France (M.D.), and the Departments of Cardiology (M.D., R.I., J.P.M.), Radiology (P.C.), and Cardiovascular Surgery (A.P.), Institute of Cardiology, Pitié-Salpêtrière University Hospital, AP/HP, Université Pierre et Marie Curie, Paris, France.