1. Faculty of Medicine, University of Jordan, Amman 11942, Jordan
2. Division of Urology, Department of Special Surgery, Jordan University Hospital, University of Jordan, Amman 11942, Jordan
3. Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan
4. Department of Obstetrics and Gynecology, Jordan University Hospital, University of Jordan, Amman 11942, Jordan
5. Department of Urology, The Medical University of Vienna, 1090 Vienna, Austria