1 Harvard Medical School, Boston, MA; Department of Medicine, Smith Center for Outcomes Research in Cardiology, Beth Israel Deaconess Medical Center, Boston, MA.
2 Harvard Medical School, Boston, MA; Department of Medicine, Division of Cardiology, Massachusetts General Hospital, Boston, MA.
3 Harvard Medical School, Boston, MA; Department of Medicine, Smith Center for Outcomes Research in Cardiology, Beth Israel Deaconess Medical Center, Boston, MA; Department of Medicine, Division of Cardiology, Beth Israel Deaconess Medical Center, Boston, MA.
4 Harvard Medical School, Boston, MA; Department of Medicine, Smith Center for Outcomes Research in Cardiology, Beth Israel Deaconess Medical Center, Boston, MA; Department of Medicine, Division of Cardiology, Beth Israel Deaconess Medical Center, Boston, MA. Electronic address: [email protected].