1. Department of Urology; Moinhos de Vento Hospital; Porto Alegre Brazil
2. Adolescent Urology; University College London; London UK
3. Stanford Medical School; Stanford California
4. Department of Urology; University of Sao Paulo; Rua Barata Ribeiro Brazil
5. 1st Faculty of Medicine; Charles University; Prague Prague CZ
6. Sunnybrook and Womens Health Sciences Centre; Toronto ON Canada
7. The Cleveland Clinic Foundation; Glickman Urological Institute; Cleveland Ohio