[1] Icahn Sch Med Mt Sinai, One Gustave L Levy Pl,POB 1077, New York, NY 10029 USA
[2] Baylor Scott & White Hlth, Baylor Res Inst, Dept Cardiothorac Surg, Plano, TX USA
[3] Univ Penn, Sch Med, Dept Surg, Div Cardiovasc Surg, Philadelphia, PA 19104 USA
[4] Icahn Sch Med Mt Sinai, Int Ctr Hlth Outcomes & Innovat Res, Dept Populat Hlth Sci & Policy, New York, NY 10029 USA
[5] Duke Univ, Med Ctr, Dept Psychiat & Behav Sci, Div Geriatr Behav Hlth, Durham, NC USA
[6] Mission Hlth & Hosp, Cardiovasc & Thorac Surg, Asheville, NC USA
[7] NHLBI, Off Biostat Res, Bldg 10, Bethesda, MD 20892 USA
[8] Univ Virginia, Sch Med, Div Thorac & Cardiovasc Surg, Charlottesville, VA 22908 USA
[9] Emory Univ, Sch Med, Div Cardiothorac Surg, Clin Res Unit, Atlanta, GA 30322 USA
[10] Dartmouth Hitchcock Med Ctr, Cardiac Surg, Lebanon, NH 03766 USA
[11] Inst Univ Cardiol Quebec, Hop Laval, Quebec City, PQ, Canada
[12] Univ Montreal, Montreal Heart Inst, Montreal, PQ, Canada
[13] Univ Southern Calif, Keck Sch Med, Dept Surg, Los Angeles, CA USA
[14] Univ Penn, Dept Radiol, Philadelphia, PA 19104 USA
[15] Duke Univ, Med Ctr, Dept Surg, Div Cardiovasc & Thorac Surg, Durham, NC 27710 USA
[16] Montefiore Med Ctr, Albert Einstein Coll Med, Dept Cardiothorac Surg, New York, NY USA
[17] NHLBI, Div Cardiovasc Sci, Bldg 10, Bethesda, MD 20892 USA
[18] Mt Sinai Hlth Syst, Dept Cardiac Surg, New York, NY USA
[19] Peter Munk Cardiac Ctr, Toronto, ON, Canada
[20] Univ Hlth Network, Toronto Gen Hosp, Div Cardiovasc Surg, Toronto, ON, Canada
[21] Univ Toronto, Div Cardiac Surg, Toronto, ON, Canada
[22] Brown Univ, Rhode Isl Hosp, Dept Neurol, Miriam Hosp, Providence, RI 02903 USA
[23] Brown Univ, Bradley Hosp, Warren Alpert Med Sch, Providence, RI 02912 USA
[24] NINDS, Div Clin Res, Bldg 36,Rm 4D04, Bethesda, MD 20892 USA
[25] Brigham & Womens Hosp, Div Cardiovasc, 75 Francis St, Boston, MA 02115 USA
[26] Univ Penn, Sch Med, Dept Neurol, Philadelphia, PA 19104 USA