1. Department of Urology, College of Medicine, Majmaah University, Al-Majmaah, Saudi Arabia
2. Department of Surgery, Urology Division, King Abdulaziz Medical City, Riyadh, Saudi Arabia
3. King Abdullah International Research Center, Riyadh, Saudi Arabia
4. College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia