1. Department of CardiologyAmsterdam UMC, University of Amsterdam Amsterdam The Netherlands
2. Department of CardiologyJohn Radcliffe Hospital Oxford United Kingdom
3. ThoraxCenterErasmus Medical Center Rotterdam The Netherlands
4. Department of CardiologyBelfast Health & Social Care Trust Belfast United Kingdom
5. Thorax InstituteHospital Clinic I Provincial de Barcelona Barcelona Spain
6. Department of CardiologyImperial College London London United Kingdom
7. 1st Department of CardiologyUniversity of Medical Sciences Poznañ Poland
8. Department of CardiologyHospital Universitario la Paz Madrid Spain
9. Department of CardiologyHospital Universitario de Salamanca Salamanca Spain
10. Department of Interventional CardiologyRoyal Papworth Hospital Cambridge United Kingdom
11. Manchester Heart CentreManchester Royal Infirmary, Central Manchester University Hospitals Manchester United Kingdom
12. Hospital Cliinico San Carlos IDISSC and Universidad Complutense de Madrid Madrid Spain
13. NHLI, Imperial College London London United Kingdom