ANDROFERT;
Center for Male Reproduction;
Av. Dr. Heitor Penteado 1464;
Campinas;
SP 13075-460;
Brazil;
ORLGEN;
Center for Reproductive Medicine;
Rio de Janeiro;
Aw Rodolfo de Amoedo 140;
Rio de Janeiro;
RJ 22620-330;
Brazil;
American Center for Reproductive Medicine;
10681. Carnegie Avenue;
X-11;
Cleveland;
OH 44195;
USA.;