1. Departments of Pediatrics/Medicine/Biochemistry & Molecular Biology, University of British Columbia, 4480 Oak Street, Room 1F3, Vancouver, BC, V6H 3V4, Canada
2. Department of Pediatrics and the Vanderbilt Center for Arrhythmia Research and Therapeutics (VanCART) Vanderbilt University Medical Center and the Monroe Carell Jr. Children's Hospital at Vanderbilt, 2200 Children's Way, Suite 5230, Nashville, TN 37232-9119, USA
3. BC Inherited Arrhythmia Program, 211-1033 Davie St, Vancouver, BC V6E 1M7, Canada
4. Department of Pediatrics, University of Rochester, 601 Elmwood Ave, Box 631, Rochester, NY 14642, USA
5. Department of Pediatrics, University of Utah, 81 N Mario Capecchi Drive Salt Lake City, UT 84113, USA
6. Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, 1675 Highland Ave, Madison, WI 53792, USA
7. Department of Pediatrics, University of Washington, 4800 Sand Point Way NE, Seattle, WA 98105, USA
8. Division of Cardiology Phoenix Children's Hospital, 1919 E. Thomas Road, 2nd Floor, Heart Center, Phoenix, AZ 85016, USA
9. Department of Pediatrics, University of Toronto, Hospital for Sick Children, 555 University Avenue Toronto, Ontario M5G 1X8, Canada
10. Royal Children's Hospital MCRI and University of Melbourne, 50 Flemington Road Parkville, Melbourne 3052, Australia
11. Nicklaus Children's Hospital, 3100 SW 62 Ave, Cardiology ACB - 2nd Floor Miami, FL 33155, USA
12. Department of Pediatrics, University of Michigan, 1500 E Medical Center Drive, #6303, Ann Arbor, MI 48109, USA
13. Department of Pediatrics, University of Colorado, 13123 East 16th Avenue, Aurora, CO 80045, USA
14. Department of Pediatric Cardiology, Heart Center, University of Leipzig, Strümpellstrasse 39, Leipzig, Germany
15. Department of Pediatrics, A. I. DuPont Hospital For Children, 1600 Rockland Rd, Wilmington, DE 19803, USA
16. Department of Pediatrics, University of California at Irvine Medical Center, 1140 W. La Veta Ave., Suite 750, Orange, CA 92868, USA
17. Division of Cardiology, UNMC/CUMC/Children's Hospital and Medical Center, 8200 Dodge Street, Omaha, NE 68114, USA
18. Department of Cardiology, Children's Memorial Health Institute, Dzieci Polskich 20, 04 -730 Warsaw, Poland
19. Children's Heart Centre, 2nd Faculty of Medicine, Charles University in Prague and Motol University Hospital, Vúvalu 84, 15006, Prague, Czech Republic
20. Department of Pediatrics, Children's Hospital Los Angeles, 4650 Sunset Blvd #34, Los Angeles, CA 90027, USA
21. Stollery Children's Hospital, University of Alberta, Clinical Sciences Building, 8440 112 St NW, Edmonton, AB T6G 2B7, Canada
22. Department of Electrophysiology, German Heart Center Munich, Technical University, Lazarettstr. 3680636 Munich, Germany
23. Providence Sacred Heart Children's Hospital, 101 W. 8th Ave. Suite 4300E, Spokane, WA 99204, USA
24. Department of Pediatrics, Joe DiMaggio Children's Hospital, 1150 North 35th Avenue Suite 575, Hollywood, FL 33021, USA
25. Department of Arrhythmia and Cardiac Pacing, Cardiocentro Pediatrico William Soler, 100 y perla, Boyeros. 10800, Havana, Cuba
26. Division of Pediatric Cardiology, University of Alabama at Birmingham, 1700 6th Ave S, Birmingham, AL 35233, USA
27. Department of Pediatrics, University of Louisville, 601 S Floyd St #602, Louisville, KY 40208, USA
28. Département de Pédiatrie, CHU Ste Justine, 3175, chemin Côte Sainte-Catherine, Montréal, QC H3T 1C5 Canada