1 Boston University and National Heart, Lung & Blood Institute's, Framingham Heart Study, Framingham, MADepartment of Medicine (Cardiovascular Division), Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA.
2 Boston University and National Heart, Lung & Blood Institute's, Framingham Heart Study, Framingham, MASection of Neurology, Department of Medicine, Boston University School of Medicine, Boston, MA.
3 Boston University and National Heart, Lung & Blood Institute's, Framingham Heart Study Framingham, MASections of Mathematics and Statistics, Boston University, Boston, MA.
4 Boston University and National Heart, Lung & Blood Institute's, Framingham Heart Study, Framingham, MA.
5 Center for Human Genetic Research, Massachusetts General Hospital, Harvard Medical School, Boston, MA.
6 Boston University and National Heart, Lung & Blood Institute's, Framingham Heart Study, Framingham, MASections of Cardiology and Preventive Medicine, Department of Medicine, Boston University School of Medicine, Boston, MA.
7 Cardiac Ultrasound Laboratory, Department of Medicine, Massachusetts General Hospital, Harvard Medical School Boston, MA.