1. Oncology Department, Al Zahraa Hospital University Medical Center, Beirut, Lebanon
2. Urology Department, Al Zahraa Hospital University Medical Center and Lebanese University, Beirut, Lebanon
3. Department of Medicine, Saint George Medical School University, Grenada
4. Department of Surgery, Al Zahraa Hospital University Medical Center, Beirut, Lebanon
5. Faculty of Medicine, Lebanese University, Beirut, Lebanon