Affiliation: | (1) Harvard Medical School, Department of Radiology, Brigham and Women's Hospital, 75 Francis Street, 02115 Boston, Massachusetts, USA;(2) Harvard Medical School, Department of Cardiology, Brigham and Women's Hospital, Boston, Massachusetts, USA;(3) Harvard Medical School, Department of Cardiothoracic Surgery, Brigham and Women's Hospital, Boston, Massachusetts, USA |