[1] Erasmus MC, Dept Radiol, Rotterdam, Netherlands
[2] Azienda Osped Parma, Dipartimento Radiol, Unita Imaging Cardiovasc Non Invas, Parma, Italy
[3] Univ Palermo, DIBIMEL, Sez Sci Radiol, I-90133 Palermo, Italy
[4] Univ Trieste, Osped Cattinara, Ist Radiol, Trieste, Italy
[5] Fdn Biomed Europea, ONLUS, Rome, Italy
[6] Univ Ferrara, Dipartimento Cardiol, I-44100 Ferrara, Italy
[7] Univ Verona, Dipartimento Radiol, I-37100 Verona, Italy