1. National Heart and Lung InstituteImperial College London London
2. First Department of Cardiology, Interventional Electrocardiology and HypertensionJagiellonian University Collegium Medicum Krakow Poland
3. Department of CardiologyUniversity Hospital, Cardiology Geneva Switzerland
4. Department of Interventional Electrophysiology, Hartford HospitalInterventional Electrophysiology Hartford
5. Cardiology DepartmentGreat Western Hospitals NHS Foundation Trust Swindon
6. Cardiology DepartmentSherwood Forest Hospitals NHS Foundation Trust Sutton, Ashfield
7. Department of CardiologyKlinikum Landkreis Erding, Cardiology Munich Germany