1. Cardiology Department, University Hospital of Pisa, Via Paradisa 2, Pisa, Italy
2. Cardiology Department, Guy’s & St Thomas’ Hospitals, London, UK
3. Department of Cardiology, The Heart Centre, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
4. Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
5. Department of Medical Science and Cardiology, Uppsala University, Uppsala, Sweden
6. Cardiology Department, Fondazione Cardiocentro Ticino, Lugano, Switzerland
7. Department of Cardiology, Heart Center Brandenburg in Bernau/Berlin & Brandenburg Medical School, Germany
8. Department of Electrophysiology, Heart Center Leipzig, Germany
9. CHU La Timone, Cardiologie, Service du prof Deharo, 264 Rue Saint Pierre, Marseille, France
10. ANMCO Research Center, Florence, Italy
11. Scientific Division, European Society of Cardiology, EURObservational Research Programme (EORP), 2035 Route des colles, CS 80179 Biot, Sophia-Antipolis Cedex, France
12. Department of Cardiology, Medical University of Lublin, 20-090 Lublin Str., Jaczewskiego 8, Lublin, Poland
13. Sahlgrenska University Hospital, Cardiothoracic Surgery, Sahlgrenska/SU, Goteborg, Sweden
14. Department of Cardiology and Electrotherapy, Medical University of Gdansk, Debinki 7 Str., Gdansk, Poland
15. Cardiology Department, University Hospital Maggiore della Carità, Corso Mazzini 18, Novara, Italy
16. Clinique Pasteur, Management of Cardiac Arrhythmias, 45 Avenue de Lombez, Toulouse, France