1. Hospital Clínic de Barcelona, Urology, Villarroel 170, Barcelona, Spain, 08036;
2. Hopital Tenon, 4 rue de la chine, paris, paris, France, 75020,
3. 4 rue de la chine;
4. Hospital Clinic de Barcelona, Barcelona, Catalunya, Spain;
5. Hospital Clínic de Barcelona, Urology, Barcelona, Spain;
6. Hospital Clinic of Barcelona, Urology, Barcelona, Spain;
7. Hospital Tenon, Urology, 4 rue de la Chine, Paris, France, 75970;
8. Hospital Clinic of Barcelona, Barcelona, Spain;