[1] Santa Maria Carmine Hosp, Cardiol, Rovereto, Italy
[2] Texas Cardiac Arrhythmia Inst, St Davids Med Ctr, Austin, TX USA
[3] Natl Cerebral & Cardiovasc Ctr Hosp, Cardiovasc Med, Osaka, Japan
[4] Southlake Reg Hlth Ctr, Dept Cardiol, Newmarket, Suffolk, England
[5] Washington Adventist Hosp, Ctr Cardiac & Vasc Res, Rockville, MD USA
[6] Univ Hosp Essen Ruhr, Neurol, Essen, Germany
[7] Univ Calif Irvine, Dept Med, Irvine, CA 92717 USA
[8] Univ Penn, Perelman Sch Med, Philadelphia, PA 19104 USA
[9] Medtronic Inc, Minneapolis, MN USA
[10] Snyder Ctr Comprehens Atrial Fibrillat, Valley Hlth Syst, Ridgewood, NJ USA