1. ANDROFERT, Andrology and Human Reproduction Clinic, Campinas, Brazil
2. Department of Surgery (Division of Urology), University of Campinas (UNICAMP), Campinas, Brazil
3. Faculty of Health, Aarhus University, Aarhus, Denmark
4. Department of Urology, University of Miami Miller School of Medicine, Miami, FL, USA
5. Andrology Service, Procrea Swiss Fertility Center, Lugano, Switzerland
6. Andrology and IVF Department, San Carlo Clinic, Paderno Dugnano, Milano, Italy
7. Statistika Consulting, Campinas, Brazil
8. Department of Urology, Weill Cornell Medicine, New York, NY, USA