1. American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA.
2. Department of Urology, Cleveland Clinic, Cleveland, OH, USA.
3. Department of Surgery, McGill University, Montreal, QC, Canada.
4. Department of Urology, Hamad Medical Corporation, Doha, Qatar.
5. Department of Andrology, Cairo University, Giza, Egypt.
6. Fakih IVF Fertility Center, Abu Dhabi, UAE.
7. Division of Urology, Southern Illinois University School of Medicine, Springfield, IL, USA.
8. Department of Urology and Renal Transplantation, University of Foggia, Policlinico Riuniti, Foggia, Italy.
9. Department of Urology, Centro Universitario em Saude do ABC, Santo André, Brazil.
10. Avant Concierge Urology & University of Central Florida, Winter Garden, FL, USA.
11. Biologie de la Reproduction - Preservation de la fertilite' - Andrologie - CECOS CHI de Poissy Saint Germain en Laye Universite' Paris, Saclay, France.
12. Department of Obstetrics and Gynaecology, Alexandria University Faculty of Medicine, Alexandria, Egypt.
13. Department of Andrology and Reproductive Medicine, Jindal Hospital, Meerut, India.
14. Department of Urology, Loma Linda University Health, Loma Linda, CA, USA.
15. Department of Experimental Physiology, School of Health Sciences, Faculty of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
16. Department of Urology, Pusan National University School of Medicine, Busan, Korea.
17. Medical Research Institute of Pusan National University Hospital, Busan, Korea.
18. Department of Andrology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran.
19. Department of Dermatology, Venereology and Andrology, Faculty of Medicine, Sohag University, Sohag, Egypt.
20. Department of Andrology, Hammersmith Hospital, London, UK.
21. Section of Urology, University of Santo Tomas Hospital, Manila, Philippines.
22. Department of Urology, Weill Cornell Medical-Qatar, Doha, Qatar.
23. Centro Androgen, La Coruña, Spain and Harvard Medical School, Boston, MA, USA.
24. Andrology and IVF Unit, Procrea Institute, Lugano, Switzerland.
25. Departamento de Biología, Universidad Autónoma de Madrid, Madrid, Spain.
26. SCSA Diagnostics, Brookings, SD, USA.
27. Department of Urology, Lilavati Hospital and Research Centre, Mumbai, India.