[1] Univ Turin, Dept Cardiol, Sch Med, Cardinal Massaia Hosp, I-14100 Asti, Italy
[2] Cardinal Massaia Hosp, Dept Radiol, Asti, Italy
[3] Univ Turin, San Giovanni Battista Hosp, Dept Radiol, Sch Med, Turin, Italy
[4] Univ Turin, CTO Hosp, Dept Neuroradiol, Turin, Italy
[5] Hosp Circolo Insubria Univ, Dept Cardiol, Varese, Italy
[6] CMC Parly II Chesnay, Dept Rythmol, Le Chesnay, France