1. Mediterranean Institute of Oncology (IOM), Viagrande, Catania, Italy
2. Department of Surgery, Urology Section, University of Catania, Catania, Italy
3. Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh, Kingdom of Saudi Arabia
4. Department of Urology, European Institute of Oncology, IRCCS, Milan, Italy