1. Division of Urology, ABC Medical School, Santo André, Sao Paulo, Brazil.
2. Department of Urology, ABC Medical School, Santo André, Sao Paulo, Brazil.
3. PUCPR, Curitiba, Parana, Brazil.
4. Cleveland Clinic Foundation, Rio de Janeiro, Rio de Janeiro, Brazil.
5. Laparoscopic Division of Hospital Felício Rocho, Belo Horizonte, Minas Gerais, Brazil.
6. Division of Laparoscopic Urology, ABC Medical School, Santo André, Sao Paulo, Brazil.
7. Section of Minimally Invasive Surgery, Department of Urology, ABC Medical School, Santo André, Sao Paulo, Brazil.