1. Heart & Vascular Institute MedStar Health Columbia Maryland USA
2. Texas Cardiac Arrhythmia Institute St. David's Medical Center Austin Texas USA
3. Department of Medicine, School of Medicine University of Utah Murray Utah USA
4. Department of Medicine Emory University Hospital Atlanta Georgia USA
5. Cardiac Arrhythmia Group HonorHealth Medical Group Scottsdale Arizona USA
6. Department of Cardiology Lahey Hospital & Medical Center Burlington Massachusetts USA
7. Texas Cardiac Arrhythmia, Medical City Dallas Dallas Texas USA
8. Department of Cardiology Levinson Heart Hospital at Chippenham and Johnston Willis Medical Center Richmond Virginia USA
9. Electrophysiology, Valley Health System Ridgewood New Jersey USA
10. Coastal Cardiology San Luis Obispo California USA
11. Texas Cardiac Arrhythmia, Medical City Fort Worth Fort Worth Texas USA
12. Department of Cardiovascular Medicine Cleveland Clinic Cleveland Ohio USA
13. Department of Medicine University of Alabama at Birmingham Birmingham Alabama USA