1 Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts.
2 Division of Cardiovascular Diseases and Hypertension, Rutgers Robert Wood Johnson Medical School at New Brunswick, New Brunswick, New Jersey.
3 Richard A. and Susan F. Smith Center for Outcomes Research in Cardiology, Beth Israel Deaconess Medical Center, Boston, Massachusetts.
4 Rutgers Robert Wood Johnson Medical School at New Brunswick, New Brunswick, New Jersey.
5 Richard A. and Susan F. Smith Center for Outcomes Research in Cardiology, Beth Israel Deaconess Medical Center, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts.