1. University of Pittsburgh Medical Center, Heart and Vascular Institute , Pittsburgh, PA , USA
2. Department of Cardiology, University of Baskent , Ankara , Turkey
3. Department of Medicine and Surgery, University of Milano-Bicocca , Milan , Italy
4. Department of Cardiological, Neural and Metabolic Sciences, Instituto Auxologico Italiano, IRCCS, San Luca Hospital , Milan , Italy
5. Department of Cardiology, Leiden University Medical Center , Albinusdreef 2 , 2300 RC, Leiden, The Netherlands
6. Cardiovascular Imaging Unit, San Raffaele Hospital, IRCCS, Vita-Salute San Raffaele University , Milan , Italy
7. Faculty of Medicine, Clinical Hospital Centre Zemun, University of Belgrade , Belgrade , Serbia
8. Cardiologie, CHU de RENNES, LTSI UMR1099, INSERM, Université de Rennes-1 , Rennes 35033 , France