1. Diakonhjemmet Hospital, Department of Medicine, Oslo, Norway
2. Swedish School of Sport and Health Sciences, Stockholm, Sweden; Karolinska University Hospital
3. St George’s University of London, UK
4. University Clinic for Cardiology, Cardiovascular Prevention, Rehabilitation & Sports Medicine, Inselspital, Bern, Switzerland
5. Department of Family Medicine, University of Washington, Seattle, USA
6. Aspetar, Qatar Orthopedics and Sports Medicine Hospital, Sports Medicine Department, Doha, Qatar
7. Cardiology – Arrhythmology, University Hospital Leuven, Belgium
8. Department of Sports medicine, Perform Sports medicine centre, Burton upon Trent, UK
9. Radboud University Nijmegen MC, The Netherlands; Sports Medical Centre Papendal Arnhem, The Netherlands
10. Department of Cardiology, Heart and Diabetes Centre NRW, Ruhr University of Bochum, Bad Oeynhausen, Germany
11. Pontchaillou Hospital, Rennes, France; INSERM U1099, Rennes, France
12. Department of Cardiology, Bispebjerg University Hospital, Copenhagen, Denmark
13. Institute of Sports Medicine, Prevention and Rehabilitation, Paracelsus Medical University, Salzburg, Austria
14. Department of Cardiac, Thoracic and Vascular Sciences, University of Padua, Italy