1. Texas Cardiac Arrhythmia Institute at St. David's Medical Center; Austin Texas USA
2. Department of Cardiology; Beijing Anzhen Hospital; Capital Medical University; Beijing China
3. Department of Cardiology; University of Foggia; Foggia Italy
4. Institute of Cardiology; Catholic University of the Sacred Heart; Rome Italy
5. Albert Einstein College of Medicine at Montefiore Hospital; New York USA
6. Heart Institute; Faculty of Medicine; University of Pecs; Pecs Hungary
7. Division of Cardiovascular Medicine; Gill Heart Institute; University of Kentucky; Lexington Kentucky USA
8. Center for Excellence in Atrial Fibrillation and EP Research; Bloch Heart Rhythm Center; Mid-America Cardiology at Kansas University Hospital; Kansas City Kansas USA
9. Division of Cardiology; University Hospital of Tor Vergata; Rome Italy
10. Division of Electrophysiology; California Pacific Medical Center; San Francisco California USA
11. Centro Cardiologico Monzino; IRCCS Milan Italy
12. Department of Biomedical Engineering; University of Texas; Austin Texas USA
13. Division of Cardiology; Stanford University; Palo Alto California USA
14. Interventional Electrophysiology; Scripps Clinic; San Diego California USA