1. EMO-GVM Centro Cuore and San Raffaele Hospitals; Milan Italy
2. New Tokyo Hospital; Chiba Japan
3. Department of Cardiology; University of Medical Sciences; Poznan Poland
4. Ferrarotto Hospital, University of Catania; Catania Italy
5. Medizinische Klinik Und Poliklinik, Universitätsmedizin Mainz, University Medical Center; Mainz Germany
6. Department of Cardiology; University of Giessen; Giessen Germany
7. San Giovanni Di Dio Hospital; Agrigento Italy
8. Klinik Für Kardiologie Und Angiologie, Elisabeth-Krankenhaus; Essen Germany
9. National Institute of Health Research Cardiovascular BRU; Royal Brompton Hospital and Imperial College; London United Kingdom