1. Cardiology department University hospital of Poitiers Poitiers France
2. Faculté de Médecine et Pharmacie Poitiers France
3. Cardiology department European Hospital Georges Pompidou Paris France
4. Department of Cardiology and Angiology Hannover Heart Rhythm Center Hannover Medical School Hannover Germany
5. Cardiovascular Center OLV Hospital Aalst Belgium
6. Department of Internal Medicine II General Hospital Wiener Neustadt Wiener Neustadt Austria
7. Department of Cardiology, Paracelsus Medical University of Salzburg Clinic of Internal Medicine II Salzburg Austria
8. Department of Cardiology Hospital da Luz Lisboa Portugal
9. Department of Cardiology University Medical Centre Ljubljana Ljubljana Slovenia
10. Rhythmology Department Helios Clinic Koethen Koethen Germany