[1] Erasmus MC, Thorax Ctr, Dept Clin Electrophysiol, Rotterdam, Netherlands
[2] Univ Szeged, Cardiol Ctr, Dept Internal Med, Szeged, Hungary
[3] Imperial Coll London, Royal Brompton & Harefield NHS Fdn Trust, Natl Heart & Lung Inst, London, England
[4] Texas Cardiac Arrhythmia Inst, St Davids Med Ctr, Austin, TX USA
[5] Hosp Luz, Heart Rhythm Ctr, Lisbon, Portugal
[6] Univ Copenhagen, Dept Cardiol, Rigshospitalet, Copenhagen, Denmark
[7] New York Presbyterian Hosp, Weill Cornell Med, Div Cardiol, New York, NY USA
[8] Univ Hosp Nancy, Dept Cardiol, CHU Nancy, Nancy, France
[9] Univ Toronto, Sunnybrook Hlth Sci Ctr, Toronto, ON, Canada
[10] Washington Univ, Sch Med, Cardiovasc Div, St. Louis, MO USA
[11] Human Univ Hosp, Dept Cardiol, Rozzano, Italy
[12] Med Univ Graz, Dept Internal Med, Div Cardiol, Graz, Austria
[13] Klinikum Nurnberg Sud, Dept Electrophysiol, Nurnberg, Germany
[14] Marienhaus Klinikum St Elisabeth, Dept Cardiol & Rhythmol, Neuwied, Germany
[15] Shanghai Jiao Tong Univ, Sch Med, Shanghai Ruijin Hosp, Dept Cardiol, Shanghai, Peoples R China
[16] North Estonian Med Ctr, Dept Cardiol, Tallinn, Estonia
[17] Deborah Heart & Lung Ctr, Browns Mills, NJ USA
[18] Onze Lieve Vrouw Hosp, Dept Cardiol, Amsterdam, Netherlands
[19] Lund Univ, Dept Cardiol, Lund, Sweden
[20] Oulu Univ Hosp, Dept Cardiol, Oulu, Finland
[21] Pima Heart Phys PC, Tucson, AZ USA
[22] Helsinki Univ Cent Hosp, Heart & Lung Ctr, Helsinki, Finland
[23] Minist Hlth Russian Federat, E Meshalkin Natl Med Res Ctr, Novosibirsk, Russia
[24] St Olavs Univ Hosp, Dept Cardiol, Trondheim, Norway
[25] Henry Ford Hlth Syst, Div Cardiol, Detroit, MI USA
[26] Clin Emergency Hosp, Cardiol Dept, Bucharest, Romania
[27] Takatsuki Gen Hosp, Heart Rhythm Ctr, Takatsuki, Osaka, Japan
[28] Banner Univ, Univ Arizona Coll Med Phoenix, Dept Cardiol, Med Ctr, Phoenix, AZ USA