1. American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA.
2. School of Natural Medicine, Faculty of Community and Health Sciences, University of the Western Cape, Bellville, South Africa.
3. Department of Urology, Hamad Medical Corporation, Doha, Qatar.
4. Department of Urology, Weill Cornell Medicine - Qatar, Doha, Qatar.
5. Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK.
6. Department of Medical Bioscience, University of the Western Cape, Bellville, South Africa.
7. Division of Urology, Southern Illinois University School of Medicine, Springfield, IL, USA.
8. Department of Urology, Cleveland Clinic, Cleveland, OH, USA.
9. Department of Urology, Loma Linda University, Loma Linda, CA, USA.
10. Department of Surgery, Union Hospital, Hong Kong.
11. S. H. Ho Urology Centre, Department of Surgery, The Chinese University of Hong Kong, Hong Kong.
12. Andrology Department, Cairo University, Giza, Egypt.
13. Department of Anatomy & Unit for Multidisciplinary Research in Biomedicine (UMIB), Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal.
14. QOPNA & LAQV, Department of Chemistry, University of Aveiro, Aveiro, Portugal.
15. Centro Androgen, La Coruña, Spain and Harvard Medical School, Boston, MA, USA.
16. Department of Urology, Lilavati Hospital and Research Centre, Mumbai, India.