1. Department of Urology, ASST Lariana, 22100 Como, Italy
2. Department of Urology, ASST Santi Paolo e Carlo, 20142 Milan, Italy
3. Department of Urology, Ospedale San Carlo di Nancy, 00165 Rome, Italy
4. Department of Urology, Sapienza University, 00185 Rome, Italy
5. Department of Urology, Ospedale Maggiore della Carità, 28100 Novara, Italy
6. Department of Urology, Azienda Ospedaliero Universitaria Careggi, 50134 Florence, Italy
7. Department of Urology, Ospedale Maggiore Borgo Trento, 37124 Verona, Italy
8. Department of Urology, Ospedale degli Infermi, 13875 Biella, Italy
9. Department of Urology, ASST Grande Ospedale Metropolitano Niguarda, 20162 Milan, Italy
10. Department of Urology, USC Institute of Urology, Los Angeles, CA 90017, USA
11. Department of Urology, Ospedale San Bassiano, 36061 Bassano del Grappa, Italy
12. Department of Urology, Medical University of Graz, 8010 Graz, Austria
13. Department of Urology, University of Illinois at Chicago, Chicago, IL 60612, USA
14. Department of Urology, Humanitas Gavazzeni, 24125 Bergamo, Italy
15. Department of Urology, San Raffaele Turro, 20132 Milan, Italy
16. Department of Urology, Policlinico Abano Terme, Abano Terme, 35031 Padova, Italy
17. Department of Urology, Ospedale di Busto Arsizio, 21052 Busto Arsizio, Italy