1 Division of Cardiology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA; Division of Cardiovascular Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA.
2 Division of Cardiovascular Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA; Department of Radiology, University of California San Diego, San Diego, CA.
3 Division of Cardiovascular Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA.
4 Division of Cardiology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA.
5 Department of Pathology, Massachusetts General Hospital, Harvard Medical School, Boston, MA.
6 Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA.
7 Division of Cardiac Surgery, Massachusetts General Hospital, Boston, MA.