1 From Broad Institute, Cambridge, MA (P.N.); Cardiology Division, Massachusetts General Hospital, Boston (P.N.); Harvard Medical School, Boston, MA (P.N., C.J.O.); Cardiovascular Division, Brigham and Women's Hospital, Boston, MA (C.J.O.); and Cardiology Section, Boston Veterans Administration Healthcare System, MA (C.J.O.).
2 From Broad Institute, Cambridge, MA (P.N.); Cardiology Division, Massachusetts General Hospital, Boston (P.N.); Harvard Medical School, Boston, MA (P.N., C.J.O.); Cardiovascular Division, Brigham and Women's Hospital, Boston, MA (C.J.O.); and Cardiology Section, Boston Veterans Administration Healthcare System, MA (C.J.O.). odonnellc@nhlbi.nih.gov.