1. Texas Cardiac Arrhythmia Institute, St. David's Medical CenterAustin Texas
2. Department of Cardiovascular MedicineUniversity of Tor VergataRome Italy
3. Arrhythmia Services, Department of MedicineMontefiore Medical Center, Albert Einstein College of MedicineBronx New York
4. Department of Clinical and Experimental MedicineUniversity of FoggiaFoggia Italy
5. Interventional Electrophysiology, Scripps ClinicLa Jolla California
6. Department of CardiologyMetroHealth Medical Center, Case Western Reserve University School of MedicineCleveland Ohio
7. Division of Cardiology, Stanford UniversityStanford California
8. Atrial Fibrillation and Arrhythmia Center, California Pacific Medical CenterSan Francisco California