1. Department of Cardiology Fondazione IRCCS Policlinico San Matteo Pavia Italy
2. Department of Cardiology University Medical Center Utrecht the Netherlands
3. Cardiac Rhythm Management Boston Scientific Corporation St Paul MN USA
4. Thorax Institute Hospital Clinic Barcelona Spain
5. Division of Cardiology Otto‐von‐Guericke Universität Magdeburg Magdeburg Germany
6. Department of Cardiology University of Glasgow Glasgow Scotland
7. Heart Centre, Brandenburg Hospital Bernau Germany
8. Department of Cardiology Liverpool Heart and Chest Liverpool UK
9. Guidant Europe Diegem Belgium
10. Inserm, Centre d'Investigation Clinique 9501 and Unité 1106, Centre Hospitalier Universitaire, Department of Cardiology Nancy University, Université de Lorraine Nancy France