1. Department of Food, Nutrition and Sports Science, Gothenburg University, Skånegatan 14b, Göteborg, Sweden
2. Department of Neuroscience and Physiology, Gothenburg University and Sahlgrenska University Hospital/Östra, Diagnosvägen 11, Göteborg, Sweden
3. Department of Medicine, Sahlgrenska University Hospital/Östra, Diagnosvägen 11, Göteborg, Sweden
4. University Institute of Sports Medicine, Prevention and Rehabilitation, Paracelsus Medical University, Strubergasse 21, Salzburg, Austria
5. Baker Heart and Diabetes Institute, 99 Commercial Road, Melbourne VIC, Australia
6. Kardiologisches Ambulatorium, Sportmedizin/Sportkardiologie, Universitäres Herzzentrum Zürich, Rämistrasse 100, Zurich, Switzerland
7. Department of Medicine, Diakonhjemmet Hospital, Diakonveien 12, Oslo, Norway
8. Department of Prevention, Rehabilitation and Sports Medicine, Medical Faculty, University Hospital, Technical University Munich, Georg-Brauchle-Ring 56, Munchen, Germany
9. Istituto di Medicina e Scienza dello Sport CONI, Largo Piero Gabrielli, 1, Roma, Italy
10. Italian Olympic Committe, Institute for Sports Medicine and Science, Largo Piero Gabrielli, 1, Roma, Italy
11. Sport Medicine Department, Rennes University Hospital, LTSI INSERM UMR 1099, 2 Rue Henri le Guilloux, Rennes, France
12. Institute of Sports Medicine and Science, Largo Piero Gabrielli, 1, Roma, Italy
13. Ospedale San Pietro Fatebenefratelli, Via Cassia, 600, Roma, Italy
14. Cardiology Clinical Academic Group, St George's, University of London, Blackshaw Rd, London, UK
15. Department of Prevention, Rehabilitation and Sports Medicine, Center for General, Sports and Preventive Cardiology, Technical University of Munich, Georg-Brauchle-Ring 56, Munchen, Germany
16. Department of Cardiology, Bisbebjerg University Hospital, Bispebjerg Bakke 23, Copenhagen, Denmark
17. Hospital Universitario Quironsalud Madrid, Ripoll y De Prado Sport Clinic, FIFA Medical Centre of Excellence, Calle Diego de Velazquez 1, Pozuelo de Alarcon, Madrid, Spain
18. Catholic Hospital Southwestfalia, St. Martinus-Hospital Olpe, Hospitalweg 6, Olpe, Germany
19. Institute for Sports Medicine and Science, Largo Piero Gabrielli, 1, Roma, Italy