1. Global Andrology Forum, Ohio, USA
2. Department of Dermatology, Venereology and Andrology, Faculty of Medicine, Sohag University, Sohag, Egypt
3. Ajyal IVF Center, Ajyal Hospital, Sohag, Egypt
4. Division of Andrology, Department of Urology, Lilavati Hospital and Research Centre, Mumbai, India
5. Cleveland Clinic Foundation, Cleveland, Ohio, USA