[1] Erasmus MC, Dept Cardiothorac Surg, Rotterdam, Netherlands
[2] Laval Univ, Quebec Heart & Lung Inst, Quebec City, PQ, Canada
[3] Univ Penn, Dept Surg, Div Cardiovasc Surg, Philadelphia, PA 19104 USA
[4] Columbia Univ, Dept Cardiovasc Surg, New York Presbyterian, Med Ctr, New York, NY USA
[5] Massachusetts Gen Hosp, Dept Surg, Div Cardiac Surg, Boston, MA 02114 USA
[6] OLV Clin, Dept Cardiovasc & Thorac Surg, Aalst, Belgium
[7] Emory Univ, Div Cardiothorac Surg, Dept Surg, Sch Med, Atlanta, GA 30322 USA
[8] Oslo Univ Hosp, Rikshosp, Dept Cardiothorac & Thorac Surg, Oslo, Norway
[9] Yale Univ, Dept Cardiothorac Surg, Sch Med, New Haven, CT USA
[10] Univ Liege Hosp, Dept Cardiol, GIGA Cardiovasc Sci, Liege, Belgium
[11] Univ Michigan Hosp, Dept Cardiac Surg, Ann Arbor, MI 48109 USA
[12] Med Univ Vienna, Dept Cardiol, Vienna, Austria
[13] Inova Heart & Vasc Inst, Dept Cardiac Surg, Falls Church, VA USA
[14] LifeTec Grp, Eindhoven, Netherlands
[15] King Saud Med City, Cardiac Surg Unit, Heart Hlth Ctr, Riyadh, Saudi Arabia
[16] Georgia Inst Technol, Wallace H Coulter Dept Biomed Engn, Emory Sch Med, Atlanta, GA 30332 USA
[17] Univ Hosp Frankfurt, Dept Thorac & Cardiovasc Surg, Frankfurt, Germany
[18] Goethe Univ Frankfurt, Frankfurt, Germany
[19] European Hosp, Heart Surg Div, Via Portuense 700, I-00149 Rome, Italy