[1] Washington Univ, Dept Surg, 660 S Euclid Ave, St Louis, MO 63110 USA
[2] Allina Abbott Northwestern Hosp, Dept Cardiac Surg, Minneapolis, MN USA
[3] Houston Methodist Hosp, Dept Cardiovasc Surg, Houston, TX USA
[4] Presbyterian Hosp, Dept Surg, New York, NY USA
[5] Emory Univ, Sch Med, Dept Surg, Atlanta, GA USA
[6] Baylor Scott & White Cardiac Surg Specialists, Dept Cardiovasc & Thorac Surg, Plano, TX USA
[7] Univ Penn, Dept Surg, Philadelphia, PA USA
[8] Ruhr Univ Bochum, Dept Thorac & Cardiovasc Surg, Bad Oeynhausen, North Rhine Wes, Germany
[9] Univ Leipzig, Heart Ctr, Dept Cardiac Surg, Leipzig, Germany
[10] CHU Bordeaux, Hosp Haut Leveque, Med Surg Cardiac Acquired Dis Dept, Bordeaux, France
[11] San Raffaelle Hosp, Dept Cardiothorac Surg, Milan, Italy
[12] Deutsch Herzzentrum Charite, Dept Cardiothorac & Vasc Surg, Berlin, Germany
[13] German Ctr Cardiovasc Res, Berlin, Germany
[14] Tech Univ Munich, Inst Insure, Sch Med & Hlth, Dept Cardiovasc Surg,German Heart Ctr Munich, Munich, Germany
[15] Piedmont Heart Inst, Dept Cardiovasc Surg, Marcus Valve Ctr, Atlanta, GA USA
[16] Columbia Univ, Irving Med Ctr, Dept Med & Cardiol, New York, NY USA
[17] Mt Sinai Hlth Syst, Dept Cardiovasc Surg, New York, NY USA
[18] Univ Michigan, Dept Cardiac Surg, Ann Arbor, MI USA