[1] OLV Clin, Cardiovasc Ctr Aalst, B-9300 Aalst, Belgium
[2] Univ Naples Federico II, Dept Adv Biomed Sci, Naples, Italy
[3] CHU Rangueil, F-31054 Toulouse, France
[4] St Lukes Hosp, Thessaloniki, Greece
[5] Clin Pasteur, Toulouse, France
[6] Hanusch Hosp, Vienna, Austria
[7] Lukaskrankenhaus GmbH, Stadt Kliniken Neuss, Neuss, Germany
[8] Ain Shams Univ Hosp, Cairo, Egypt
[9] Univ Amsterdam, Acad Med Ctr, NL-1105 AZ Amsterdam, Netherlands
[10] Augusta Krankenhaus, Dusseldorf, Germany
[11] Hosp Cent Def, Madrid, Spain
[12] Mil Hosp & Med Univ, Wroclaw, Poland
[13] Univ Verona, Div Cardiol, I-37100 Verona, Italy
[14] Mt Sinai Med Ctr, New York, NY 10029 USA
[15] Falun Lasarett, Falun, Sweden
[16] Hirslanden Heart Ctr, Zurich, Switzerland
[17] Gottsegen Gyorgy Hungarian Inst Cardiol, Budapest, Hungary
[18] Hosp Univ Virgen de la Arrixaca, Murcia, Spain
[19] Hosp Santa Creu & Sant Pau, Barcelona, Spain
[20] Univ Bern, Div Cardiol, Bern, Switzerland
[21] Royal Sussex Cty Hosp, Sussex Cardiac Ctr, Brighton BN2 5BE, E Sussex, England
[22] Erasmus MC, Thoraxctr, Rotterdam, Netherlands
[23] Deutsch Herzzentrum Munich, Munich, Germany
[24] Ist Sci San Raffaele, Intervent Cardiol Unit, I-20132 Milan, Italy
[25] Ist Sci San Raffaele, Dept Cardiothorac Surg, I-20132 Milan, Italy
[26] Royal Brompton NHS Trust, London, England
[27] Univ London Imperial Coll Sci Technol & Med, London, England
[28] Max Planck Inst Physiol & Clin Res, Kerckhoff Klin, Dept Cardiol, Bad Nauheim, Germany