1. Urology Department, Faculty of Medicine, Benha University, Benha, Egypt
2. Internal Medicine Department, Faculty of Medicine, Benha University, Benha, Egypt
3. Tropical Medicine and Infectious Diseases Department, Tanta University, Tanta, Egypt
4. Urology Department; Faculty of Medicine; Tanta University; Tanta, Egypt
5. Urology Department, University of Modena and Reggio Emilia, Modena, Italy