1. From the Cardiology Department, Hospital da Luz Arrabida, V.N. Gaia, Portugal (S. Barra)
2. Cardiology Department, V.N. Gaia Hospital Center, Portugal (S. Barra, J.P., H.G.)
3. Cardiology Department, Royal Papworth Hospital, Cambridge, United Kingdom (S. Barra, S.A.)
4. Department of Cardiovascular Epidemiology, Paris Cardiovascular Research Center, Paris, France (K.N., E.M.)
5. Cardiology Department, MaxCure Hospitals, Hyderabad, India (K.N.)
6. Cardiology Department, Institute Pasteur, Toulouse, France (S. Boveda)
7. Division of Clinical Electrophysiology, Department of Cardiology, Centre of Postgraduate Medical Education, Grochowski Hospital, Warsaw, Poland (J.B.)
8. Cardiology Department, European Georges Pompidou Hospital, Paris, France (E.M.)
9. Paris Descartes University, Paris, France (E.M.)
10. Institute of Health Informatics Research, University College of London, United Kingdom (R.P.)
11. Cardiology Department, Barts Health Center, London, United Kingdom (R.P.).