1. Department of Medicine, Division of Cardiology, Columbia University Vagelos College of Physicians & Surgeons , c/o 202 Birkdale Lane, New York, NY 33458 , USA
2. Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health , Örebro University, Örebro , Sweden
3. Department of Medical Science, Uppsala University , akademiska sjukhuset, ingang 35, 2tr 751 85 Uppsala , Sweden
4. Division of Cardiology, Department of Biomedical, Metabolic, and Neural Sciences, University of Modena and Reggio Emilia , Via Del Pozzo71, 41124 Moderna , Italy
5. St. Vincenz Hospital , Am Busdorf 2 33098, Paderborn , Germany
6. Sidney Kimmel Medical College at Thomas Jefferson University , 1015 Walnut Street, Philadelphia, PA 19107 , USA
7. Lankenau Heart Institute , 100 East Lancaster, Ave, Wynnewood, PA 19096 , USA
8. Chief, Arrhythmia & Robotic EP Unit, La Paz University Hospital, and Professor of Cardiology, Universidad Autonoma, IDIPAZ , Madrid , Spain
9. La Paz University Hospital , Castellana Avenue, 261, 28046 Madrid , Spain
10. Duke University, Duke Clinical Research Institute, 300 West Morgan Street , Durham, NC 27701 , USA
11. Rutgers Robert Wood Johnson Medical School , Piscataway, NJ , USA
12. Medical Director and Trustee, Electrophysiologiy Research Foundation , 161 Washington Valley Road, Warren, NJ 07059 , USA
13. St George’s University Hospitals , Blackshaw Road, Tooting London SW17 0QT , UK