1. Department of Urology; 12 de Octubre University Hospital; Madrid Spain
2. Departments of Urology and Andrology; University College Hospital; London UK
3. Department of Urology; Rush University; Chicago IL USA
4. Department of Urology; La Zarzuela University Hospital; Madrid Spain
5. Sava Perovic Foundation; Belgrade Spain
6. Department of Urology; University Hospitals Leuven; Leuven Belgium
7. REISHO and Clinic University Hospital; Barcelona Spain