[1] Geneva Univ Hosp, Dept Women Infants & Adolescents, Div Obstet, Blvd Cluse 30, CH-1211 Geneva 14, Switzerland
[2] Royal Infirm Edinburgh NHS Trust, Edinburgh Assisted Concept Programme, EFREC, Edinburgh, Scotland
[3] Osped Reg Lugano, Dept Gynaecol & Obstet, Lugano, Switzerland
[4] Procrea Inst, Gynecol & Fertil Unit, Lugano, Switzerland
[5] Ctr Med, Gynecol Unit, Lugano, Switzerland
[6] Androl & Human Reprod Clin, ANDROFERT, Campinas, Brazil
[7] Univ Estadual Campinas, Dept Surg, Div Urol, Campinas, Brazil
[8] Aarhus Univ, Fac Hlth, Aarhus, Denmark