[1] Univ Hosp Munster, Munster, Germany
[2] AFNET, Hamburg, Germany
[3] Univ Birmingham, Birmingham, W Midlands, England
[4] Univ Groningen, Univ Med Ctr Groningen, Groningen, Netherlands
[5] Leiden Univ, Leiden, Netherlands
[6] Boston Univ, Sch Med, Boston, MA 02118 USA
[7] Univ Munich, Munich, Germany
[8] Maastricht Univ, Maastricht, Netherlands
[9] Univ Hamburg, Hamburg, Germany
[10] Univ Bologna, Bologna, Italy
[11] Odense Univ Hosp, DK-5000 Odense, Denmark
[12] Jefferson Med Coll, Wynnewood, PA USA
[13] Univ Essen Gesamthsch, Essen, Germany
[14] Univ Zurich, Zurich, Switzerland
[15] Univ Hosp Gasthuisberg, B-3000 Louvain, Belgium
[16] Univ Barcelona, Barcelona, Spain
[17] Univ Toronto, Toronto, ON, Canada
[18] Astra Zeneca Res & Dev, Molndal, Sweden
[19] Uppsala Univ, Uppsala, Sweden
[20] Bristol Myers Squibb Europe, Rueil Malmaison, France
[21] Bayer Vital GmbH, Leverkusen, Germany
[22] Boehringer Ingelheim GmbH & Co KG, Ingelheim, Germany
[23] Pfizer Inc, New York, NY USA
[24] Heidelberg Univ, Med Fac Mannheim, D-6800 Mannheim, Germany
[25] Clin Suizo Argentina, Buenos Aires, DF, Argentina
[26] Soder Sjukhuset, Karolinska Inst, Stockholm, Sweden
[27] St Vincenz Hosp Paderborn, Paderborn, Germany
[28] Garibaldi Nesima Hosp, Catania, Italy
[29] Slovak Cardiovasc Inst, Bratislava, Slovakia
[30] Pfizer Ltd, Sandwich CT13 9NJ, Kent, England
[31] Inst Cardiol, Warsaw, Poland
[32] Univ Lausanne, Lausanne, Switzerland
[33] Inst Clin & Expt Med, Prague, Czech Republic
[34] Atrial Fibrillat Assoc Int, Bristol, Avon, England
[35] Medtron Int Trading Sarl, Tolochenaz, Switzerland
[36] St Jude Med, St Paul, MN USA
[37] Univ Southhampton, Southampton, Hants, England
[38] Daiichi Sankyo Europe GmbH, Munich, Germany
[39] Stadt Klinikum Brandenburg, Brandenburg, Germany
[40] Sanofi Aventis Deutschland GmbH, Berlin, Germany
[41] MSD Reg Business Support Ctr GmbH, Haar, Germany
[42] Tech Univ Dresden, Dresden, Germany
[43] AGA Med Corp, Milan, Italy
[44] Univ Hosp Heraklion, Iraklion, Greece
[45] St Georges Univ, London, England