1. Faculty of Medicine, Urology Department, Lebanese University, Beirut, Lebanon
2. Department of Urology, Assistance Publique-Hôpitaux de Paris, Paris Descartes University, Cochin Hospital, Paris, France
3. Department of Diagnostic and Interventional Radiology, Assistance Publique-Hôpitaux de Paris, Paris Descartes University, Cochin Hospital, Paris, France