1. Molecular and Clinical Sciences Research Institute, Cardiology Clinical Academic Group, St George's University of London, London, UK
2. Department of Medicine, University of Toronto, and Division of Cardiology, St. Michael's Hospital, Toronto, ON, Canada
3. Division of Clinical Electrophysiology, Department of Cardiology, J. W. Goethe University, Frankfurt, Germany
4. Lankenau Medical Center, Lankenau Institute of Medical Research, Wynnewood, PA, USA
5. Cardiovascular Center for Therapeutic Innovation, Institut de Recherches Internationales Servier, Suresnes, France
6. Cardiabase, Nancy, France
7. AP-HP, Hôpital Bichat, Paris, France
8. Medtronic Bakken Research Center, Endepolsdomein 5, Maastricht, Netherlands
9. Department of Cardiology, Centre for Heart Rhythm Disorders, South Australian Health and Medical Research Institute, University of Adelaide and Royal Adelaide Hospital, Adelaide, Australia