1. Department of Clinical and Experimental Medicine, University of Catania, Catania 95123, Italy
2. Global Andrology Forum, Moreland Hills, OH 44022, USA
3. Glickman Urological and Kidney Institute, Cleveland Clinic Foundation, Cleveland, OH 44195, USA
4. Department of Dermatology, Venereology and Andrology, Faculty of Medicine, Sohag University, Sohag 82524, Egypt
5. Ajyal IVF Center, Ajyal Hospital, Sohag 82511, Egypt
6. Division of Andrology, Department of Urology, Lilavati Hospital and Research Centre, Mumbai 400050, India
7. Cleveland Clinic Foundation, Cleveland, OH 44195, USA