1. Charité University Hospital, Experimental and Clinical Research Center (ECRC), Berlin, Germany
2. Department of Cardiology, Havelland Kliniken GmbH, Nauen, Germany
3. Arrhythmia Department, Clinique Pasteur, Toulouse, France
4. Arrhythmia Department, Cardiovascular Institute, San Carlos University Hospital, Madrid, Spain
5. Arrhythmia Department, Hospital Ramón y Cajal, Madrid, Spain
6. North Hospital, Saint-Etienne, France
7. Narodny Ustav Srdcovych a Cievnych Chorob, Bratislava, Slovak Republic
8. Klinikum Coburg, Coburg, Germany
9. Herzzentrum Brandenburg, Cardiology, Bernau, Germany
10. Hospital Clinico Universitario de Santiago, Santiago de Compostela, Spain
11. Sorin Group International SA, Lausanne, Switzerland
12. Arrhythmia Unit, Cardiology Department, University Hospital, Grenoble, France