[1] Karolinska Univ Hosp, Heart & Vasc Theme, S-17176 Stockholm, Sweden
[2] Santa Chiara Univ Hosp Pisa, Pisa, Italy
[3] Univ Calif San Diego, San Diego, CA 92103 USA
[4] Univ Buffalo, Buffalo, NY USA
[5] Tech Univ Munich, German Heart Ctr Munich, Dept Electrophysiol, Munich, Germany
[6] Tokyo Med & Dent Univ, Tokyo, Japan
[7] Univ Calgary, Libin Cardiovasc Inst Alberta, Dept Cardiac Sci, Calgary, AB, Canada
[8] Oslo Univ Hosp, Ctr Cardiol Innovat & Inst Surg Res, Dept Cardiol, Oslo, Norway
[9] Univ Oslo, Inst Clin Med, Oslo, Norway
[10] Univ Birmingham, Inst Cardiovasc Sci, Birmingham, W Midlands, England
[11] Aalborg Univ, Thrombosis Res Unit, Aalborg, Denmark
[12] Univ Groningen, Univ Med Ctr Groningen, Dept Cardiol, Groningen, Netherlands
[13] Imperial Coll, Natl Heart & Lung Inst, London, England
[14] Univ Washington, Med Ctr, Seattle, WA 98195 USA
[15] Univ Belgrade, Sch Med, Belgrade, Serbia
[16] Clin Ctr Serbia, Cardiol Clin, Belgrade, Serbia
[17] St Georges Univ London, Cranmer Terrace, London, England
[18] UZ Brussel VUB, Heart Rhythm Management Ctr, Brussels, Belgium
[19] Ctr Hosp Univ Trousseau, Tours, France
[20] Univ Rochester, Med Ctr, Heart Res Follow Up Program, Rochester, NY 14642 USA
[21] Semmelweis Univ, Budapest, Hungary
[22] Royal Brompton & Harefield Hosp, London, England
[23] Sorbonne Univ, Inst Cardiol, Grp Hosp Pitie Salpetriere, APHP, Paris, France
[24] Hop Europeen Georges Pompidou, Paris, France
[25] Univ Oxford, John Radcliffe Hosp, Oxford, England
[26] Wan Fang Hosp, Taipei, Taiwan
[27] Waikato Hosp, Hamilton, New Zealand
[28] North Texas Heart Ctr, Dallas, TX USA
[29] Cleveland Clin, Cleveland, OH 44106 USA