[1] Cedars Sinai Heart Inst, Dept Intervent Cardiol, Los Angeles, CA USA
[2] Intermt Heart Inst, Div Cardiovasc Dis, Salt Lake City, UT USA
[3] German Heart Ctr, Clin Cardiovasc Surg, Munich, Germany
[4] Leiden Univ, Med Ctr, Dept Cardiol, Leiden, Netherlands
[5] Univ Heart Ctr, Dept Gen & Intervent Cardiol, Hamburg, Germany
[6] Ruhr Univ Bochum, Heart & Diabet Ctr NRW, Dept Thorac & Cardiovasc Surg, Bad Oeynhausen, Germany
[7] Osped San Raffaele, EMO GVM Ctr Cuore Columbus, Intervent Cardiol Unit, Milan, Italy
[8] Osped San Raffaele, San Raffaele Sci Inst, Milan, Italy
[9] Hamburg Univ, Cardiovasc Ctr, Hamburg, Germany
[10] St Thomas Hosp, Dept Cardiol, London, England
[11] Houston Methodist DeBakey Heart & Vasc Ctr, Houston, TX USA
[12] Univ Alabama Birmingham, Div Cardiac & Thorac Surg, Birmingham, AL USA
[13] Tech Univ Munich, Deutsch Herzzentrum Munchen, Munich, Germany
[14] Bern Univ Hosp, Dept Cardiol, Bern, Switzerland
[15] Univ Texas Hlth Sci Ctr Houston, Dept Cardiol, Houston, TX 77030 USA
[16] New York Presbyterian Hosp, Greenberg Div Cardiol, Weil Cornell Med, New York, NY USA
[17] Ctr Hosp Univ Montreal, Div Cardiol, Montreal, PQ, Canada
[18] Sunnybrook Hlth Sci Ctr, Div Cardiol, Toronto, ON, Canada
[19] Leeds Teaching Hosp, Cardiol Dept, Leeds, W Yorkshire, England
[20] Brighton & Sussex Univ Hosp NHS Trust, Sussex Cardiac Ctr, Brighton, E Sussex, England
[21] Univ Hosp Zurich, Univ Heart Ctr, Zurich, Switzerland
[22] Hosp Gen Univ Gregorio Maranon, Dept Cardiol, Madrid, Spain
[23] Univ Hosp Case Med Ctr, Valve & Struct Heart Intervent Ctr, Cleveland, OH USA
[24] Brigham & Womens Hosp, Div Cardiac Surg, Boston, MA 02115 USA
[25] Cardiovasc Ctr, Dept Cardiol & Vasc Med, Frankfurt, Germany
[26] Hosp Clinicio San Carlos, Div Cardiol, Madrid, Spain
[27] Univ Heart Ctr Hamburg, Dept Cardiothorac Surg, Hamburg, Germany
[28] German Ctr Cardiovasc Res, Partner Site Munich Heart Alliance, Munich, Germany