Department of Urology;
University of Sao Paulo;
Av. Dr. Eneas de Carvalho Aguiar;
255;
7 andar - Sala 710F;
Sao Paulo;
05403-000;
Brazil;
ANDROFERT;
Center for Male Reproduction;
Av. Dr. Heitor Penteado 1464;
Campinas;
Sao Paulo;
13075-460;
Brazil.;