Sidney C. Abreu1, Mauricio Rubinstein2, Frederico I. Messias1, Renato S. Argollo1, Glauco A. Guedes1, Mardhem B. Araújo3, Irineu Rubinstein2, Joaõ Batista G. Cerqueira3, Gilvan N. Fonseca4
1Section of Laparoscopy and Endourology, ANDROS, Hospital Urológico de Brasília, Brasilia, Brazil
2Section of Urology, Federal University of the State of Rio de Janeiro, Unirio, Brazil
3Section of Urology, Federal University of Ceará, Ceará, Brazil
4Section of Urology, Federal University of Goiás, Goiás, Brazil