1. Cardiology Clinical Academic Group, St George's, University of London, UK
2. Department of Family Medicine, University of Washington, Seattle, WA, USA
3. Division of Cardiology, Massachusettes General Hospital, MA, USA
4. Department of Sports Medicine, ASPETAR, Qatar Orthopaedic and Sports Medicine Hospital, Qatar
5. Division of Cardiology, University of Washington, Seattle, WA, USA
6. Department of Cardiology, Baker IDI Heart and Diabetes Institute, Melbourne, Australia
7. Department of Cardiovascular Diseases, Pediatric and Adolescent Medicine, and Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, MN, USA
8. Department of Neuroscience and Physiology, Sahlgrenska University Hospital/Ostra Sahlgrenska Academy, Goteborg, Sweden
9. Department of Pediatrics, University of Washington, Seattle, WA, USA
10. Department of Family Medicine, University of South Carolina, Greenville, SC, USA
11. Division of Cardiology, University of North Carolina School of Medicine, NC, USA
12. Center of Cardiovascular Care in Athletics, Indiana University School of Medicine, IN, USA
13. Department of Medicine, Stanford University, CA, USA
14. Department of Cardiology, Arrhythmology Hasselt University, Hasselt, Belgium
15. Department of Cardiology, Antwerp, Belgium
16. Georgia Southern University, GA, USA
17. Division of Pediatric Cardiothoracic Surgery, University of California San Francisco School of Medicine, CA, USA
18. Advocate Heart Institute, Illinois, USA
19. Division of Pediatric Cardiology, Baylor College of Medicine, TX, USA
20. University Institute of Sports Medicine, Paracelsus Medical University, Austria
21. Center for Inherited Cardiovascular Disease, Stanford University, CA, USA
22. Pediatric Cardiology, Cleveland Clinic, OH, USA
23. University of Herzzentrum, Zurich, Switzerland
24. Heart Center of Philadelphia, Jefferson University Hospitals, PA, USA
25. Department of Cardiology, Hospital de Clinicas de Porte Allegre, Brazil
26. The Children’s Hospital of Philadelphia, PA, USA
27. Institute of Sports Medicine and Science, Rome, Italy
28. Department of Cardiac, Thoracic and Vascular Sciences, University of Padua Medical School, Italy