1. Department of Medicine, Landspitali - The National University Hospital of Iceland and University of Iceland, Reykjavik, Iceland
2. Department of Cardiology, Cliniques du Sud-Luxembourg, Arlon, Belgium
3. Division of Cardiology, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, Modena, Italy
4. Department of Arrhythmia Services, Johns Hopkins Medical Institutions Baltimore, MD, USA
5. Division of Cardiology, Department of Medicine, Groote Schuur Hospital and University of Cape Town, Cape Town, South Africa
6. Department of Cardiology, University of Warwick, Warwickshire, UK
7. Department of Rhythmology, Hôpital Universitaire La Timone, Marseille, France
8. Department of Cardiology, The Heart Centre, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
9. Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
10. Antwerp University Hospital, University of Antwerp, Edegem, Belgium
11. Clínica RedSalud Vitacura and Hospital el Carmen de Maipú, Santiago, Chile
12. Department of Cardiology, Royal Melbourne Hospital, Melbourne, VIC, Australia
13. Department of Medicine, University of Melbourne, Melbourne, VIC, Australia
14. Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK
15. Aalborg Thrombosis Research Unit, Aalborg University, Aalborg, Denmark
16. Department Cardiology (Electrophysiology), Mediclinic Midstream Hospital, Centurion, South Africa
17. Cardiology, University Hospital Rangueil, Toulouse, France
18. Cardiology Clinic, Clinical Center of Serbia, School of Medicine, University of Belgrade, Serbia
19. Service de Cardiologie, Institut Lyric, CHU de Bordeaux, Bordeaux, France
20. Centre for Heart Rhythm Disorders, South Australian Health and Medical Research Institute, University of Adelaide and Royal Adelaide Hospital, Adelaide, South Australia, Australia
21. Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland, OH, USA
22. Service de Cardiologie et Laboratoire d'Electrophysiologie Cardiaque, Centre Hospitalier Universitaire Trousseau et Université François Rabelais, Tours, France
23. Department of Cardiology, Center for Cardiological Innovation and Institute for Surgical Research, Oslo University Hospital, Oslo, Norway
24. Institute of Clinical Medicine, University of Oslo, Oslo, Norway
25. Istituto Auxologico Italiano, IRCCS, Center for Cardiac Arrhythmias of Genetic Origin, Milan, Italy
26. Heart Rhythm Management Centre, UZ Brussel-VUB, Brussels, Belgium
27. St. George's, University of London, UK
28. Department of Cardiology, OUS-Rikshospitalet, Oslo, Norway
29. Department of Cardiology, University Hospital of Linkoping, Sweden
30. Silesian Center for Heart Disease, Zabrze, Poland
31. IRCCS San Raffaele Pisana, Roma, Italy
32. Stanford University, Cardiac Arrhythmia & Electrophysiology Service, Stanford, USA
33. Parktown West, 2006, Johannesburg, Gauteng, South Africa
34. Sanatorio Finochietto, Buenos Aires, Argentina
35. Electrophysiologist & Cardiologist, Waikato Hospital, University of Auckland, New Zealand
36. SMDZ in Zabrze, Medical University of Silesia, Katowice, Poland
37. Department of Cardiology, Silesian Center for Heart Diseases, Zabrze
38. Adana, Turkey
39. Department of Invasive Electrophysiology and Cardiac Pacing, Clinic of Cardiology, Acibadem City Clinic Tokuda Hospital, Sofia, Bulgaria