1. Texas Cardiac Arrhythmia Institute; St. David's Medical Center, Austin; Texas USA
2. College of Natural Sciences; University of Texas at Austin; Texas USA
3. Department of Biomedical Engineering; University of Texas at Austin; Texas USA
4. Department of Cardiology; University of Foggia; Foggia Italy
5. Albert Einstein College of Medicine at Montefiore Hospital; New York USA
6. Beijing Anzhen Hospital; Capital Medical University; Beijing China
7. California Pacific Medical Center; California USA
8. Univ Tor Vergata; Rome Italy
9. Division of Cardiology; Stanford University; Palo Alto California USA
10. Interventional Electrophysiology; Scripps Clinic; San Diego California USA. Case Western Reserve University; Cleveland Ohio USA. St. Luke's Hospital; New York USA