1 Brazillian School of Pediatric Urology, Universidade Federal do Rio Grande do Sul, Ramiro Barcelos 2350, ZIP: 90035007, Brazil. Electronic address: tiagorosito@gmail.com.
2 Brazillian School of Pediatric Urology, Universidade de São Paulo, Avenida Reboucas, 381, Jardim Paulista, São Paulo/SP ZIP: 05401-000, Brazil.
3 Brazillian School of Pediatric Urology Board, Universidade Federal da Bahia, Av. Juracy Magalhães Júnior, 2096 - sala 306 - Rio Vermelho, Salvador, BA, 41920-000, Brazil.
4 Brazillian School of Pediatric Urology Board, Universidade Federal de Juiz de Fora, Av.Rio Branco, 2985 sala 605, Zip code: 36010-012, Brazil.