1. Cardiology Department, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione) , UPMC Italy, Palermo , Italy
2. IRCCS San Raffaele Scientific Institute Cardiovascular Imaging Unit, Cardio-Thoracic-Vascular Department, , via Olgettina 60, Milan 20132 , Italy
3. Clinical Physiology and Cardiology, Uppsala University Department of Medical Sciences, Hospital, Uppsala , Sweden
4. NewYork-Presbyterian/Columbia University Medical Center Cardiology Department, , 177 Fort Washington Avenue, New York, NY 10032 , USA
5. Centro Cardiologico Monzino IRCCS , Via Carlo Parea 4, Milano , Italy
6. Leiden University Medical Center Department of Cardiology, , Leiden , The Netherlands
7. Asklepios Klinik Langen Röntgenstrasse 20 , Langen 63225 , Germany
8. University of Pittsburgh—Heart & Vascular Institute UPMC , 200 Lothrop St Ste E354.2, Pıttsburgh, PA 15213 , USA
9. INSERM, Université de Rennes-1 Cardiologie, CHU de RENNES, LTSI UMR1099, , Rennes , France
10. University Hospital Ramon y Cajal , Madrid , Spain
11. Universitair ziekenhuis Brussel Cardiology Department, Centrum voor Hart en Vaatziekten (CHVZ), , Brussels , Belgium
12. Piedmont Heart Institute Marcus Heart Valve Center, , Atlanta, GA
13. Oslo University Hospital Department of Cardiology, , Rikshospitalet, Sognsvannsveien 20, Oslo , Norway
14. University of Oslo Institute of Clinical Medicine, , Oslo , Norway
15. Institut Mutualiste Montsouris Department of Cardiac Surgery, , Paris , France
16. University of Medicine and Pharmacy Department of Cardiology, ‘Carol Davila’ -Euroecolab, Emergency Institute for Cardiovascular Diseases ‘Prof. Dr. C. C. Iliescu’, Bucharest , Romania
17. University of Liège Hospital, Domaine Universitaire du Sart Tilman Department of Cardiology, , Liège B4000, Belgium
18. University of Chicago Medical Center Non Invasive Cardiac Imaging Laboratories, , Chicago, IL , USA