1. Department of Electrophysiology Heart Center Leipzig Leipzig Germany
2. Taipei Veterans General Hospital Taipei Taiwan
3. Hospital Israelita Albert Einstein São Paulo Brazil
4. Centro Privado de Cardiología Tucumán Argentina
5. Cardiac and Vascular Institute Memorial Health Hollywood FL USA
6. Boston University Schools of Medicine and Public Health Framingham Heart Study Boston MA USA
7. Intermountain Medical Center Murray UT USA
8. Cardiovascular Division Department of Medicine University of Minnesota Minneapolis MN USA
9. University of Sao Paulo Medical School Sao Paulo Brazil
10. Escola Paulista de Medicina Universidade Federal de São Paulo São Paulo Brazil
11. Service de Cardiologie Centre Hospitalier Universitaire Trousseau Université François Rabelais Tours France
12. Department of Cardiology and Intensive Care Medicine St. Vincenz‐Hospital Paderborn Working Group: Molecular Electrophysiology, University Hospital Magdeburg Magdeburg Germany
13. Royal Melbourne Hospital University of Melbourne Melbourne Vic. Australia
14. King's College London London UK
15. Korea University Medical Center Seoul Korea
16. Institute of Cardiovascular Sciences University of Birmingham Birmingham UK
17. Aalborg Thrombosis Research Unit Department of Clinical Medicine Aalborg University Aalborg Denmark
18. Massachusetts General Hospital Boston MA USA
19. Departmen of Electrocardiography Instituto Nacional De Cardiologia Mexico City Mexico
20. School of Medicine Belgrade University Belgrade Serbia
21. Cardiology Clinic Clinical Center of Serbia Belgrade Serbia
22. Instituto de Cardiología de Corrientes Corrientes Argentina
23. Cardiology Clinical Academic Group Molecular and Clinical Sciences Research Institute St. George's University of London London UK
24. National Heart Centre Singapore City Singapore
25. Department of Medicine The University of Hong Kong Hong Kong China
26. Southlake Regional Health Centre Newmarket ON Canada
27. Beijing Fuwai Hospital Beijing China
28. Cleveland Clinic Cleveland OH USA