1. Cardiology Department, Papworth Hospital NHS Foundation Trust, Papworth Everard, Cambridge CB23 3RE, UK
2. Cardiology Department, Barts Heart Centre, Barts Health NHS Trust, London, UK
3. Cardiology Department, Clinique Pasteur, Toulouse, France
4. Cardiology Department, Maxcure Hospitals, Hyderabad, India
5. Paris Cardiovascular Research Center, Paris, France
6. Paris Descartes University, Paris, France
7. Cardiology Department, European Georges Pompidou Hospital, Paris, France