1. 1st Department of Cardiology, Medical University of Warsaw, Poland
2. Cardiology Department, Hospital da Luz Arrabida, V. N. Gaia, Portugal
3. Barts Heart Centre, St. Bartholomew’s Hospital, Barts Health NHS Trust, London, UK
4. Institute of Health Informatics Research, University College of London, London, UK
5. Cardiology Department, Fondazione CardiocentroTicino, Lugano, Switzerland
6. Universita` della Svizzera Italiana Lugano, Lugano, Switzerland
7. Heart Rhythm Management Centre, Universitair Ziekenhuis Brussel - Vrije Universiteit Brussel, Brussels, Belgium
8. CCB, Cardiology, Med. Klinik III, Markuskrankenhaus, Frankfurt, Germany
9. 2nd Department of Heart Arrhythmia, National Institute of Cardiology, Warsaw, Poland
10. Department of Cardiology, Hospital de la Santa Creu i Sant Pau, Universidad Autonoma de Barcelona, CIBERCV, Barcelona, Spain
11. University of Paris, Paris, France
12. Cardiology Department, European Georges Pompidou Hospital, Paris, France
13. Paris Cardiovascular Research Center, INSERM Unit 970, Paris, France
14. Heart Rhythm Department, Clinique Pasteur, 31076 Toulouse, France