[1] Univ Paris, UFR Med, Site Bichat,16 Rue Huchard, F-75018 Paris, France
[2] GH Bichat, LVTS INSERM U1148, 46 Rue Henri Huchard, F-75018 Paris, France
[3] Univ Hosp Freiburg, Univ Heart Ctr, Dept Cardiovasc Surg, Freiburg, Germany
[4] Albert Ludwigs Univ, Med Fac, Hugstetterstr 55, D-79106 Freiburg, Germany
[5] Univ Bern, Bern Univ Hosp, Dept Cardiol, Bern, Switzerland
[6] Dedinje Cardiovasc Inst, Dept Cardiac Surg & Cardiovasc Res, Belgrade, Serbia
[7] Erasmus MC, Dept Cardiothorac Surg, Rotterdam, Netherlands
[8] Univ Hosp Cologne, Heart Ctr, Dept Cardiol, Cologne, Germany
[9] Hannover Med Sch, Dept Cardiol & Angiol, Hannover, Germany
[10] Azienda Osped Univ, Div Cardiol, Policlin Gaspare Rodol San Marco, Catania, Italy
[11] Univ Heart & Vasc Ctr Hamburg, Dept Cardiovasc Surg, Hamburg, Germany
[12] Univ Vita Salute San Raffaele, IRCCS San Raffaele Hosp, Dept Cardiac Surg, Milan, Italy
[13] Unicamillus Int Med Univ, European Hosp, Cardiac Surg Dept, Rome, Italy
[14] Leiden Univ, Cardiol, Med Ctr, Leiden, Netherlands
[15] UCL, Inst Clin Trials & Methodol, London, England
[16] Brest Univ Hosp, Cardiol, Brest, France
[17] Oslo Univ Hosp, Dept Cardiol, Oslo, Norway
[18] Univ Oslo, Oslo, Norway
[19] Sahlgrens Univ Hosp, Dept Cardiothorac Surg, Gothenburg, Sweden
[20] Univ Toronto, Appl Hlth Res Ctr AHRC, Dept Med, Li Ka Shing Knowledge Inst,St Michaels Hosp, Toronto, ON, Canada
[21] Univ Toronto, Inst Hlth Policy Management & Evaluat, Toronto, ON, Canada
[22] Univ Liege, Cardiol, Liege, Belgium
[23] St Thomas Hosp & Cleveland Clin London, Dept Cardiol, London, England
[24] Complejo Hosp Navarra, Dept Cardiac Surg, Pamplona, Spain
[25] Amiens Univ Hosp, Dept Cardiol, Amiens, France
[26] Med Univ Silesia, Cardiol & Struct Heart Dis, Katowice, Poland