From the Cardiac Ultrasound Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, Mass. Dr Messas is presently affiliated with Faculte de Medicine Necker-Enfants Malades, Service de Cardiologie 1, HEGP Hopital, Paris, France. Dr Schwammentnal is presently at the Heart Institute, Chaim Sheba Medical Center, Tel HaShomer, Israel. (At 2001-10-16)
