1. ANDROFERT, Andrology and Human Reproduction Clinic Referral Center for Male Reproduction Campinas SP Brazil
2. Department of Surgery (Division of Urology) University of Campinas (UNICAMP) Campinas SP Brazil
3. Faculty of Health Aarhus University Aarhus Denmark
4. Division of Urology Department of Surgery St. Mary's Hospital McGill University Montreal Québec Canada
5. Department of Urology University of North Carolina Chapel Hill NC USA
6. UNC Fertility Raleigh NC USA
7. SCSA Diagnostics Brookings SD USA
8. Sanford Medical School University of South Dakota Sioux Falls SD USA
9. Unit of Genetics Department of Biology Universidad Autónoma de Madrid Madrid Spain
10. Queens University Belfast Belfast UK
11. Examenlab Ltd. Belfast UK
12. American Center for Reproductive Medicine Cleveland Clinic Cleveland OH USA
13. Fertility Clinic Skive Skive Regional Hospital Skive Denmark