1. Department of Cardiology, University Hospital Basel , Petersgraben 4 , 4031 Basel, Switzerland
2. Cardiovascular Research Institute Basel, University Hospital Basel , Basel , Switzerland
3. Department of Cardiology, University Hospital Sestre Milosrdnice , 10000 Zagreb , Croatia
4. Heart Rhythm Management Centre, Postgraduate Program in Cardiac Electrophysiology and Pacing, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel , Brussels , Belgium
5. Division of Cardiology, Cardiocentro Ticino Institute , Lugano , Switzerland
6. Università della Svizzera Italiana Lugano , Lugano , Switzerland
7. Cardiology Department, Hospital da Luz Arrabida , V.N. Gaia , Portugal
8. Cardiology Department, Royal Papworth Hospital NHS Foundation Trust , Cambridge , UK
9. Department of Rhythmology, Hellos Clinic Köthen , Köthen , Germany
10. INSERM Unit 970 , Paris , France
11. Heart Rhythm Management Department, Clinique Pasteur , 45 Avenue de Lombez , 31076 Toulouse, France