[1] Cleveland Clin Fdn, Dept Thorac & Cardiovasc Surg, Cleveland, OH 44195 USA
[2] Icahn Sch Med Mt Sinai, Dept Populat Hlth Sci & Policy, Int Ctr Hlth Outcomes & Innovat Res, New York, NY 10029 USA
[3] Albert Einstein Coll Med, Montefiore Med Ctr, Dept Cardiothorac Surg, New York, NY USA
[4] Mt Sinai Hlth Syst, Dept Cardiac Surg, New York, NY USA
[5] Columbia Univ Coll Phys & Surg, Dept Surg, Div Cardiothorac Surg, New York, NY 10032 USA
[6] Univ Rochester, Med Ctr, Dept Cardiol, Heart Res Follow Up Program, Rochester, NY 14642 USA
[7] Hop Laval, Inst Univ Cardiol Quebec, Quebec City, PQ, Canada
[8] Univ Montreal, Montreal Heart Inst, Montreal, PQ, Canada
[9] Univ Alberta, Div Cardiac Surg, Edmonton, AB, Canada
[10] Univ Virginia, Sch Med, Div Thorac & Cardiovasc Surg, Charlottesville, VA 22908 USA
[11] Duke Univ, Med Ctr, Dept Surg, Div Cardiovasc & Thorac Surg, Durham, NC 27710 USA
[12] Baylor Hlth Care Syst, Baylor Res Inst, Div Cardiothorac Surg, Plano, TX USA
[13] Univ Penn, Sch Med, Dept Surg, Div Cardiovasc Surg, Philadelphia, PA 19104 USA
[14] Christiana Care Hlth Syst, Ctr Heart & Vasc Hlth, Newark, DE USA
[15] Suburban Hosp, Ctr Heart, NIH, Dept Cardiothorac Surg, Bethesda, MD USA
[16] NHLBI, Off Biostat Res, Bethesda, MD 20892 USA
[17] NHLBI, Div Cardiovasc Sci, Bethesda, MD 20892 USA
[18] Univ Michigan Hlth Syst, Dept Cardiac Surg, Ann Arbor, MI USA
[19] Brigham & Womens Hosp, Div Cardiovasc, Boston, MA 02115 USA