Al Azhar University, Cairo, Naser City, Egypt
Ehab tharwat, Damieta, New Damietta, Egypt
Akram Fekry Elgazzar, Damietta, Egypt
Al-Azhar urology department, Al-Azhar university hospitals, Cairo, Egypt
Al-Hussein University Hospital, Cairo, Egypt
Ministry of Health, Baghdad, Thi-Qar, Iraq
Dalia Elasser, Cairo, Egypt
AlAzhar university, Cairo, Egypt
Faculty of Medicin, Assiut, Egypt