[1] Univ Vita Salute San Raffaele, San Raffaele Sci Inst, Dept Urol, Urol Res Inst, Milan, Italy
[2] Guys & St Thomas Hosp London, London, England
[3] Univ So Calif, Keck Sch Med, Good Samaritan Hosp, Dept Med, Los Angeles, CA 90033 USA
[4] Univ Milan, Inst Cardiol, Ctr Cardiol Monzino, Milan, Italy
[5] Athens Med Sch, Dept Cardiol 1, Athens 14575, Greece