1. Biostatistics and Informatics, Colorado School of Public Health, University of Colorado-Anschutz Medical Campus , Aurora, CO , USA
2. Department of Clinical Sciences, Pediatrics, Umeå University , Umea , Sweden
3. Department of Physiology, University of Auckland , Auckland , New Zealand
4. Department of Pediatric Cardiology, Emma Children’s Hospital, Amsterdam University Medical Centers , Amsterdam , The Netherlands
5. Department of Cardiology, University Medical Center, Amsterdam, The Netherlands
6. Department of Pediatrics, Division of Cardiology, University of Utah School of Medicine , Salt Lake City, UT , USA
7. Department of Cardiovascular Medicine, Division of Heart Rhythm Services, Mayo Clinic , Rochester, MN , USA
8. Department of Pediatric and Adolescent Medicine, Division of Pediatric Cardiology, Mayo Clinic , Rochester, MN , USA
9. Department of Molecular Pharmacology & Experimental Therapeutics, Mayo Clinic , Rochester, MN , USA
10. Windland Smith Rice Genetic Heart Rhythm Clinic and Windland Smith Rice Sudden Death Genomics Laboratory, Mayo Clinic , Rochester, MN , USA
11. Department of Pediatrics, Section of Cardiology, Tsukuba University , Tsukuba , Japan
12. Department of Pediatric Cardiology, RWTH University Hospital Aachen , Aachen , Germany
13. Department of Pediatric Cardiology, University Hospital Bonn , Bonn , Germany
14. Center for Cardiac Arrhythmias of Genetic Origin and Laboratory of Cardiovascular Genetics, IRCCS Istituto Auxologico Italiano , Via Pier Lombardo 22 , 2015 Milan, Italy
15. Department of Pediatrics, Division of Cardiology, Vanderbilt University Medical Center , Nashville, TN , USA
16. Department of Congenital Heart Disease and Paediatric Cardiology, German Heart Center , Munich , Germany
17. Department of Cardiology, Amsterdam UMC Location University of Amsterdam , Amsterdam , The Netherlands
18. Department of Cardiology, Amseterdam University Medical Center, Amsterdam, The Netherlands
19. Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Eastern Virginia Medical School , Norfolk, VA , USA
20. Mark Cowley Lidwill Research Program in Cardiac Electrophysiology, Victor Chang Cardiac Research Institute , Darlinghurst, New South Wales , Australia
21. The School of Clinical Medicine, UNSW Sydney , Darlinghurst, New South Wales , Australia
22. Department of Pediatrics, Section of Cardiology, University of Denver School of Medicine , 13123 16th Ave, Box 100 , Aurora, CO 80045, USA